1. Department of Obstetrics and Gynecology; Necker-Enfants Malades Hospital, AP-HP; Paris France
2. University Paris Descartes and Sorbonne Paris-Cité; Paris France
3. Department of Biochemistry-Hormonology; Robert Debré Hospital, AP-HP; Paris France
4. Department of Obstetrics and Gynecology, CHU; Lille France
5. Department of Obstetrics and Gynecology; Armand Trousseau Hospital, AP-HP; Paris France