1 University of Rennes 1, INSERM, LTSI - UMR 1099, F35000 Rennes, France; Department of Obstetrics and Gynecology, University Hospital of Rennes, France. Electronic address: maela.le.lous@chu-rennes.fr.
2 University of Rennes 1, INSERM, LTSI - UMR 1099, F35000 Rennes, France.
3 University of Rennes 1, INSERM, LTSI - UMR 1099, F35000 Rennes, France; Department of Obstetrics and Gynecology, University Hospital of Rennes, France.