1 Department of Obstetrics and Gynecology, Strasbourg University Hospital, Strasbourg, France.
2 Department of Public Health, Strasbourg University Hospital, Strasbourg, France.
3 Department of Obstetrics and Gynecology, Strasbourg University Hospital, UMR-S 1121 Inserm, "Biomaterials et Bioengineering", Strasbourg, France. Electronic address: Nicolas.SANANES@chru-strasbourg.fr.