I Demeestere1, O Basso, F Moffa, F Peccatori, C Poirot, E Shalom-Paz. 1. Research Laboratory on Human Reproduction and Fertility Clinic, Department of Obstetrics and Gynecology, Universite Libre de Bruxelles (ULB), Hôpital Erasme, 1070 Bruxelles, Belgium.