1. Departments of Obstetrics and GynecologyJean Minjoz Besançon University Hospital, Université de Franche ComtéBesançon France
2. Department of Obstetrics and GynecologyHospital Antoine Béclère, Assistance Publique–Hôpitaux de Paris, Université Paris SudParis France
3. Department of Pediatric SurgeryJean Minjoz Besançon University Hospital, Université de Franche ComtéBesançon France
4. Department of Developmental BiologyAssistance Publique–Hôpitaux de Paris, Robert Debré Hospital, Denis Diderot UniversityParis France
5. Unit of Fetal PathologyJean Minjoz Besançon University Hospital, Université de Franche ComtéBesançon France
6. National Reference Centre for Rare Diseases on Anorectal Malformations and Rare Pelvic Anomalies, Necker‐Enfants Malades Hospital, Assistance Publique–Hôpitaux de ParisUniversité René DescartesParis France