1. Université de Paris Centre for Research in Epidemiology and Statistics (CRESS), Obstetrical Perinatal and Pediatric Epidemiology Research Team ‐ INSERM U1153 Paris France
2. Department of Obstetrics and Gynecology CHU Toulouse Toulouse France
3. Clinical Research Unit Necker Cochin APHP Paris France
4. Port‐Royal Maternity Unit, Cochin Hospital APHP Paris France
5. Department of Obstetrics and Gynecology Robert Debré Hospital APHP Paris France