Affiliation: | a Department of Reproductive Medicine, University Medical Centre Utrecht, Utrecht, The Netherlands b Reproductive Endocrinology and Infertility, Université Paris Descartes, Service de Gynecologie Obstetrique II, CHU Cochin St. Vincent de Paul, Paris, France c Merck Serono S.A.-Geneva, Geneva, Switzerland d INSERM U865, Faculté de Médecine Laënnec, 69008, Lyon, France e Assisted Conception Unit, Hammersmith Hospital, London, United Kingdom f Centre FIV Eylau La Muette, Paris, France |