Randomized Trial of a Lifestyle Program in Obese Infertile Women.

Autor: Mutsaerts MA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, van Oers AM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Groen H; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Burggraaff JM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Kuchenbecker WK; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Perquin DA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Koks CA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, van Golde R; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Kaaijk EM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Schierbeek JM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Oosterhuis GJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Broekmans FJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Bemelmans WJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Lambalk CB; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Verberg MF; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, van der Veen F; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Klijn NF; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Mercelina PE; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, van Kasteren YM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Nap AW; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Brinkhuis EA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Vogel NE; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Mulder RJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Gondrie ET; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, de Bruin JP; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Sikkema JM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, de Greef MH; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, ter Bogt NC; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Land JA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Mol BW; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a, Hoek A; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a

Publikováno v: The New England journal of medicine [N Engl J Med] 2016 May 19; Vol. 374 (20), pp. 1942-53.