Affiliation: | 1. Department of Obstetrics and Gynecology, University Paris Descartes, Necker-Enfants Malades Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France;2. Department of Biostatistics, Saint Louis Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France;3. Department of Obstetrics and Gynecology, Reproductive Biology and Cytogenetics, Poissy-Saint Germain Hospital, University Versailles-St Quentin, Poissy, France |