1. Department of Reproductive Health and Family Planning, National Research Centre, Aljazeerah Hospital, CAIFM, Geza, Egypt;
2. Department of Obstetrics and Gynecology, Kasralainy, Cairo University, Cairo, Egypt;
3. Department of Obstetrics and Gynecology, AlAzhar University, Cairo, Egypt;
4. Department of Reproductive Health and Family Planning, National Research Centre, Cairo, Egypt;
5. Department of Obstetrics and Gynecology, Suez Canal University, Ismaelia, Egypt