Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Szychowski, Jeff M."'
Autor:
Tita AT; University of Alabama at Birmingham, Birmingham, AL atita@uab.edu., Szychowski JM; University of Alabama at Birmingham, Birmingham, AL atita@uab.edu., Andrews WW; University of Alabama at Birmingham, Birmingham, AL atita@uab.edu.
Publikováno v:
The New England journal of medicine [N Engl J Med] 2022 Aug 18; Vol. 387 (7), pp. 664.
Autor:
Tita AT; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Szychowski JM; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Boggess K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Dugoff L; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Sibai B; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Lawrence K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Hughes BL; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Bell J; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Aagaard K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Edwards RK; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Gibson K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Haas DM; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Plante L; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Metz T; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Casey B; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Esplin S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Longo S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Hoffman M; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Saade GR; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Hoppe KK; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Foroutan J; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Tuuli M; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Owens MY; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Simhan HN; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Frey H; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Rosen T; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Palatnik A; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Baker S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., August P; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Reddy UM; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Kinzler W; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Su E; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Krishna I; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Nguyen N; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Norton ME; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Skupski D; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., El-Sayed YY; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Ogunyemi D; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Galis ZS; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Harper L; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Ambalavanan N; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Geller NL; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Oparil S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Cutter GR; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD., Andrews WW; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.
Publikováno v:
The New England journal of medicine [N Engl J Med] 2022 May 12; Vol. 386 (19), pp. 1781-1792. Date of Electronic Publication: 2022 Apr 02.
Autor:
Tita AT; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Szychowski JM; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Boggess K; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Saade G; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Longo S; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Clark E; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Esplin S; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Cleary K; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Wapner R; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Letson K; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Owens M; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Abramovici A; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Ambalavanan N; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Cutter G; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.)., Andrews W; From the Departments of Obstetrics and Gynecology (A.T.N.T., J.M.S., W.A.), Biostatistics (J.M.S., G.C.), and Pediatrics (N.A.), University of Alabama at Birmingham, Birmingham; the Departments of Obstetrics and Gynecology, University of North Carolina, Chapel Hill, Chapel Hill (K.B.), and Mission Hospital, Asheville (K.L.) - both in North Carolina; the University of Texas Medical Branch, Galveston (G.S.), and the University of Texas Health Sciences Center, Houston (A.A.); Ochsner Health System, New Orleans (S.L.); the University of Utah (E.C., S.E.) and Intermountain Health Care (E.C., S.E.), Salt Lake City; Columbia University, New York (K.C., R.W.); and the University of Mississippi, Jackson (M.O.).
Publikováno v:
The New England journal of medicine [N Engl J Med] 2016 Sep 29; Vol. 375 (13), pp. 1231-41.