1 Department of Obstetrics and Gynecology, Ahmadi Hospital, Kuwait Oil Company, Ahmadi, Kuwait, Department of Obstetrics and Gynecology, Ain Shams University, Cairo, Egypt.
2 Department of Obstetrics and Gynecology, Royal Medical Services, Amman, Jordan.
3 Department of Normal and Topographical Anatomy, West Kazakhstan Marat Ospanov State Medical University, Aktobe, Kazakhstan.
4 Department of Obstetrics and Gynecology, West Kazakhstan Marat Ospanov State Medical University, Aktobe, Kazakhstan.
5 Department of Obstetrics and Gynecology, Ahmadi Hospital, Kuwait Oil Company, Ahmadi, Kuwait.