Tubal flushing with oil-based or water-based contrast at hysterosalpingography for infertility: long-term reproductive outcomes of a randomized trial.

Autor: van Rijswijk J; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands. Electronic address: j.vanrijswijk@amsterdamumc.nl., van Welie N; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands., Dreyer K; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands., Pham CT; College of Medicine and Public Health, Flinders University, Adelaide, Victoria, Australia., Verhoeve HR; Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis, Amsterdam; the Netherlands., Hoek A; Department of Reproductive Medicine and Gynaecology, University of Groningen, University Medical Centre Groningen, Hanzeplein, the Netherlands., de Bruin JP; Department of Obstetrics and Gynaecology, Jeroen Bosch Hospital, Hertogenbosch, the Netherlands., Nap AW; Department of Obstetrics and Gynaecology, Rijnstate Hospital, Arnhem, the Netherlands., van Hooff MHA; Department of Obstetrics and Gynaecology, Franciscus Hospital, Rotterdam, the Netherlands., Goddijn M; Centre for Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands., Hooker AB; Department of Obstetrics and Gynaecology, Zaans Medical Centre, Zaandam, the Netherlands., Bourdrez P; Department of Obstetrics and Gynaecology, VieCuri Medical Centre, Venlo, the Netherlands., van Dongen AJCM; Department of Obstetrics and Gynaecology, Hospital Gelderse Vallei, Ede, the Netherlands., van Rooij IAJ; Department of Obstetrics and Gynaecology, Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands., van Rijnsaardt-Lukassen HGM; Department of Obstetrics and Gynaecology, Albert Schweitzer Hospital, Dordrecht, the Netherlands., van Golde RJT; Department of Obstetrics and Gynaecology, Maastricht UMC, Maastricht, the Netherlands., van Heteren CF; Department of Obstetrics and Gynaecology, Canisius Wilhelmina Hospital, Nijmegen, the Netherlands., Pelinck MJ; Department of Obstetrics and Gynaecology, Scheper Hospital, Emmen, the Netherlands., Duijn AEJ; Vrouwenkliniek Zuidoost, Amsterdam, the Netherlands., Kaplan M; Department of Obstetrics and Gynaecology, Röpcke-Zweers Hospital, Hardenberg, the Netherlands., Lambalk CB; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands., Mijatovic V; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands., Mol BWJ; Department of Obstetrics and Gynaecology, Monash University, Clayton, Victoria, Australia.

Publikováno v: Fertility and sterility [Fertil Steril] 2020 Jul; Vol. 114 (1), pp. 155-162. Date of Electronic Publication: 2020 Jun 16.

Oil-Based or Water-Based Contrast for Hysterosalpingography in Infertile Women.

Autor: Dreyer K; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Rijswijk J; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Mijatovic V; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Goddijn M; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Verhoeve HR; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Rooij IAJ; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Hoek A; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Bourdrez P; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Nap AW; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Rijnsaardt-Lukassen HGM; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Timmerman CCM; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Kaplan M; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Hooker AB; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Gijsen AP; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Golde R; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Heteren CF; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Sluijmer AV; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., de Bruin JP; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Smeenk JMJ; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., de Boer JAM; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Scheenjes E; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Duijn AEJ; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Mozes A; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Pelinck MJ; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Traas MAF; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Hooff MHA; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Unnik GA; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., de Koning CH; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., van Geloven N; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Twisk JWR; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Hompes PGA; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.)., Mol BWJ; From the Department of Reproductive Medicine (K.D., J.R., V.M., P.G.A.H.) and the Department of Epidemiology and Biostatistics (J.W.R.T.), VU University Medical Center, the Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center (M.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (H.R.V.), and the Department of Obstetrics and Gynecology, Slotervaart Medical Center (A.E.J.D.), Amsterdam, and the Department of Obstetrics and Gynecology, TweeSteden Hospital (I.A.J.R.), and the Department of Obstetrics and Gynecology, Sint Elisabeth Hospital (J.M.J.S.), Tilburg, the Department of Reproductive Medicine and Gynecology, University of Groningen, University Medical Center Groningen, Groningen (A.H.), the Department of Obstetrics and Gynecology, VieCuri Medical Center, Venlo (P.B.), the Department of Obstetrics and Gynecology, Rijnstate Hospital, Arnhem (A.W.N.), the Department of Obstetrics and Gynecology, Albert Schweitzer Hospital, Dordrecht (H.G.M.R.-L.), the Department of Obstetrics and Gynecology, Bravis Hospital, Roosendaal (C.C.M.T.), the Department of Obstetrics and Gynecology, Röpcke-Zweers Hospital, Hardenberg (M.K.), the Department of Obstetrics and Gynecology, Zaans Medical Center, Zaandam (A.B.H.), the Department of Obstetrics and Gynecology, Elkerliek Hospital, Helmond (A.P.G.), the Department of Reproductive Medicine, Maastricht University Medical Center, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Canisius-Wilhelmina Hospital, Nijmegen (C.F.H.), the Department of Obstetrics and Gynecology, Wilhelmina Hospital, Assen (A.V.S.), the Department of Obstetrics and Gynecology, Jeroen Bosch Hospital, Den Bosch (J.-P.B.), the Department of Obstetrics and Gynecology, Westfriesgasthuis, Hoorn (J.A.M.B.), the Department of Obstetrics and Gynecology, Hospital Gelderse Vallei, Ede (E.S.), the Department of Obstetrics and Gynecology, Amstelland Hospital, Amstelveen (A.M.), the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (M.J.P.), the Department of Obstetrics and Gynecology, Gelre Hospital, Apeldoorn (M.A.F.T.), the Department of Obstetrics and Gynecology, Sint Franciscus Hospital, Rotterdam (M.H.A.H.), the Department of Obstetrics and Gynecology, Diaconessenhuis (G.A.U.), and the Department of Medical Statistics and Bioinformatics, Leiden University Medical Center (N.G.), Leiden, and the Department of Obstetrics and Gynecology, Tergooi Hospital, Blaricum (C.H.K.) - all in the Netherlands; and the School of Medicine, Robinson Research Institute, University of Adelaide, and the South Australian Health and Medical Research Institute, Adelaide, SA, Australia (B.W.J.M.).

Publikováno v: The New England journal of medicine [N Engl J Med] 2017 May 25; Vol. 376 (21), pp. 2043-2052. Date of Electronic Publication: 2017 May 18.