Affiliation: | 1. Department of Obstetrics and Gynaecology, Rambam Medical Center, Haifa, Israel Alkol Haifa Institute, Hasharon, Petach- Tiqva, Israel;2. Department of Obstetrics and Gynaecology, Rambam Medical Center, Haifa, Israel;3. Department of Obstetrics and Gynaecology, Rambam Medical Center, Haifa, Israel Alkol Haifa Institute, Hasharon, Petach- Tiqva, Israel Department of Obstetrics and Gynaecology, Hasharon, Petach- Tiqva, Israel;4. Department of Obstetrics and Gynaecology, Hasharon, Petach- Tiqva, Israel |