Výsledky vyhledávání - "Av, Sluijmer"

Relationship between ovarian production of estrone, estradiol, testosterone, and androstenedione and the ovarian degree of stromal hyperplasia in postmenopausal women

Autor: Av, Sluijmer, Mj, Heineman, Koudstaal J, Ph, Theunissen, Fh, Jong, Johannes Evers

Publikováno v: Europe PubMed Central

To study the relationship between ovarian production of estrone (E ), estradiol (E2), testosterone (T), and androstenedione (A) and the ovarian degree of stromal hyperplasia in postmenopausal women.In 18 postmenopausal women, the ovarian vein hormone

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid_dedup__::bd07ada5e1e8f1162f0385eda07a1539
https://pubmed.ncbi.nlm.nih.gov/9872484

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Akademický článek

The long-term costs and effects of tubal flushing with oil-based versus water-based contrast during hysterosalpingography.

Autor: van Welie N; Department of Reproductive Medicine, Amsterdam UMC, Amsterdam Reproduction and Development Research Institute, Vrije Universiteit Amsterdam Amsterdam, the Netherlands. Electronic address: n.vanwelie@amsterdamumc.nl., Pham CT; Flinders Health and Medical Research Institute, Flinders University, Adelaide, Australia., van Rijswijk J; Department of Reproductive Medicine, Amsterdam UMC, Amsterdam Reproduction and Development Research Institute, Vrije Universiteit Amsterdam Amsterdam, the Netherlands., Dreyer K; Department of Reproductive Medicine, Amsterdam UMC, Amsterdam Reproduction and Development Research Institute, Vrije Universiteit Amsterdam Amsterdam, the Netherlands., Verhoeve HR; Department of Obstetrics and Gynaecology, OLVG, Amsterdam, the Netherlands., Hoek A; Department of Reproductive Medicine and Gynaecology, University of Groningen, University Medical Centre Groningen, Groningen, the Netherlands., de Bruin JP; Department of Obstetrics and Gynaecology, Jeroen Bosch Hospital, 's 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, University of Amsterdam, Amsterdam, the Netherlands., Hooker AB; Department of Obstetrics and Gynaecology, Zaans Medical Centre, Zaandam, the Netherlands., Gijsen AP; Department of Obstetrics and Gynaecology, Elkerliek Hospital, Helmond, the Netherlands., Traas MAF; Department of Obstetrics and Gynaecology, Gelre Hospitals, Apeldoorn, the Netherlands., Smeenk JMJ; Department of Obstetrics and Gynaecology, Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands., Sluijmer AV; Department of Obstetrics and Gynaecology, Wilhelmina Hospital, Assen, the Netherlands., Lambers MJ; Department of Obstetrics and Gynaecology, Dijklander Hospital, Hoorn, the Netherlands., van Unnik GA; Department of Obstetrics and Gynaecology, Alrijne Hospital, Leiden, the Netherlands., de Koning CH; Department of Obstetrics and Gynaecology, Tergooi Hospital, Blaricum, the Netherlands., Mozes A; Department of Obstetrics and Gynaecology, Amstelland Hospital, Amstelveen, the Netherlands., Timmerman CCM; Department of Obstetrics and Gynaecology, Bravis Hospital, Roosendaal, the Netherlands., Lambalk CB; Department of Reproductive Medicine, Amsterdam UMC, Amsterdam Reproduction and Development Research Institute, Vrije Universiteit Amsterdam Amsterdam, the Netherlands., Karnon JD; Flinders Health and Medical Research Institute, Flinders University, Adelaide, Australia., Mijatovic V; Department of Reproductive Medicine, Amsterdam UMC, Amsterdam Reproduction and Development Research Institute, Vrije Universiteit Amsterdam Amsterdam, the Netherlands., Mol BWJ; Department of Obstetrics and Gynaecology, Monash University, Clayton, Australia; Aberdeen Centre for Women's Health Research, University of Aberdeen, Aberdeen, United Kingdom.

Publikováno v: Reproductive biomedicine online [Reprod Biomed Online] 2021 Jan; Vol. 42 (1), pp. 150-157. Date of Electronic Publication: 2020 Sep 17.

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Treatment effect of oil-based contrast is related to experienced pain at HSG: a post-hoc analysis of the randomised H2Oil study.

Autor: van Welie N; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands., Dreyer K; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands., van Rijswijk J; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands., Verhoeve HR; Department of Obstetrics and Gynaecology, OLVG, Amsterdam 1091 AC, The Netherlands., Goddijn M; Centre for Reproductive Medicine, Amsterdam UMC, University of Amsterdam, Amsterdam 1105 AZ, The Netherlands., Nap AW; Department of Obstetrics and Gynaecology, Rijnstate Hospital, Arnhem 6815 AD, The Netherlands., Smeenk JMJ; Department of Obstetrics and Gynaecology, Elisabeth-TweeSteden Hospital, Tilburg 5022 GC, The Netherlands., Traas MAF; Department of Obstetrics and Gynaecology, Gelre Hospital, Apeldoorn 7334 DZ, The Netherlands., Rijnsaardt-Lukassen HGM; Department of Obstetrics and Gynaecology, Albert Schweitzer Hospital, Dordrecht 3318 AT, The Netherlands., van Dongen AJCM; Department of Obstetrics and Gynaecology, Hospital Gelderse Vallei, Ede 6716 RP, The Netherlands., Bourdrez P; Department of Obstetrics and Gynaecology, VieCuri Medical Centre, Venlo 5912 BL, The Netherlands., de Bruin JP; Department of Obstetrics and Gynaecology, Jeroen Bosch Hospital, 's Hertogenbosch 5223 GZ, The Netherlands., Sluijmer AV; Department of Obstetrics and Gynaecology, Wilhelmina Hospital, Assen 9401 RK, The Netherlands., Gijsen AP; Department of Obstetrics and Gynaecology, Elkerliek Hospital, Helmond 5707 HA, The Netherlands., van de Ven PM; Department of Epidemiology and Biostatistics, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands., Lambalk CB; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands., Mijatovic V; Department of Reproductive Medicine, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam 1081 HV, The Netherlands., Mol BWJ; Department of Obstetrics and Gynaecology, Monash University, Clayton, VIC 3800, Australia.

Publikováno v: Human reproduction (Oxford, England) [Hum Reprod] 2019 Dec 01; Vol. 34 (12), pp. 2391-2398.

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Akademický článek

Individualized versus standard FSH dosing in women starting IVF/ICSI: an RCT. Part 1: The predicted poor responder.

Autor: van Tilborg TC; Department of Reproductive Medicine and Gynaecology, University Medical Centre Utrecht, Utrecht University, PO Box 85500, 3508 GA Utrecht, The Netherlands., Torrance HL; Department of Reproductive Medicine and Gynaecology, University Medical Centre Utrecht, Utrecht University, PO Box 85500, 3508 GA Utrecht, The Netherlands., Oudshoorn SC; Department of Reproductive Medicine and Gynaecology, University Medical Centre Utrecht, Utrecht University, PO Box 85500, 3508 GA Utrecht, The Netherlands., Eijkemans MJC; Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, PO Box 85500, 3508 GA Utrecht, The Netherlands., Koks CAM; Department of Obstetrics and Gynaecology, Maxima Medical Centre Veldhoven, PO Box 7777, 5500 MB Veldhoven, The Netherlands., Verhoeve HR; Department of Obstetrics and Gynaecology, Onze Lieve Vrouwe Gasthuis Oost, PO Box 95500, 1190 HM Amsterdam, The Netherlands., Nap AW; Department of Reproductive Medicine, Rijnstate Hospital, PO Box 9555, 6800 TA Arnhem, The Netherlands., Scheffer GJ; Department of Obstetrics and Gynaecology, Gelre Hospital, PO Box 9014, 7300 DS Apeldoorn, The Netherlands., Manger AP; Department of Obstetrics and Gynaecology, Diakonessenhuis, PO Box 80250, 3508 TG Utrecht, The Netherlands., Schoot BC; Department of Obstetrics and Gynaecology, Catharina Ziekenhuis, PO Box 1350, 5602 ZA Eindhoven, The Netherlands.; Department of Obstetrics and Gynaecology, University Hospital Gent, 9000 Gent, Belgium., Sluijmer AV; Department of Gynaecology, Wilhelmina Hospital, PO Box 30001, 9400 RA Assen, The Netherlands., Verhoeff A; Department of Gynaecology, Maasstad Hospital, PO Box 9100, 3007 AC Rotterdam, The Netherlands., Groen H; Department of Epidemiology, University of Groningen, University Medical Centre Groningen, PO Box 30.001, 9700 RB Groningen, The Netherlands., Laven JSE; Department of Obstetrics and Gynaecology, Erasmus Medical Centre, Postbus 2040, 3000 CA Rotterdam, The Netherlands., Mol BWJ; The Robinson Research Institute, School of Paediatrics and Reproductive Health, University of Adelaide, SA 5006 Adelaide, Australia.; The South Australian Health and Medical Research Unit, PO Box 11060, SA 5001 Adelaide, Australia., Broekmans FJM; Department of Reproductive Medicine and Gynaecology, University Medical Centre Utrecht, Utrecht University, PO Box 85500, 3508 GA Utrecht, The Netherlands.

Publikováno v: Human reproduction (Oxford, England) [Hum Reprod] 2017 Dec 01; Vol. 32 (12), pp. 2496-2505.

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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.).

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