1. Department of Maternal‐Fetal Medicine and Obstetric Emergency Department, Groupement Hospitalier Est Hospices Civils de Lyon, Hôpital Femme Mère Enfant Bron France
2. Claude Bernard University Lyon 1 Lyon France
3. Department of Obstetrics and Gynecology Centre Hospitalier de Bourg en Bresse Bourg‐en‐Bresse France
4. Eurofins‐Biomnis Laboratory Lyon France
5. Department of Obstetrics and Gynecology Hospices Civils de Lyon, Croix Rousse University Hospital Lyon France