J Zeitoun1, C Escalard2, G Benoist3. 1. Department of Obstetrics and Gynecology, CHU de Caen, 14033 Caen, France; Université Caen Normandie, PFRS, 14032 Caen cedex 5, France. Electronic address: jereme_94@hotmail.com. 2. Department of Radiology, CHU de Caen, 14033 Caen, France. 3. Department of Obstetrics and Gynecology, CHU de Caen, 14033 Caen, France; Université Caen Normandie, PFRS, 14032 Caen cedex 5, France.