1. Obstetrics and Gynecology Department, King Fahad Medical City, Riyadh, Saudi Arabia
2. King Khalid University Hospital, King Saud University, Riyadh, Saudi Arabia
3. Obstetrics and Gynecology Department, King Abdulaziz Medical City, King Saud Bin Abdualziz University for Health Science (KSAU-HS), Riyadh, Saudi Arabia
4. Obstetrics and Gynecology Department, King Abdulaziz Medical City, King Saud Bin Abdulaziz University for Health Science (KSAU-HS), P.O. Box 9515, Jeddah 21423, Saudi Arabia