1. Department of Gynaecology and Obstetrics, Centre Hospitalier Régional d’Orléans, Orleans, France;
2. Department of Gynecology and Obstetrics, University of Versailles Saint-Quentin in Yvelines, Versailles, France;
3. Department of Medical Informatics and Statistics, Centre Hospitalier Régional d’Orléans, Orleans, France