Affiliation: | [1]Department of Obstetrics and Gynecology, Omdurman Islamic University (OIU), Omdurman, Khartoum, Sudan; [2]Department of Obstetrics and Gynecology, University of Bahri, Khartoum North, Khartoum, Sudan.; [3]Reproductive Health Program, Federal Ministry of Health, Khartoum, Sudan; [4]Department of Obstetrics and Gynecology, Omdurman Maternity Hospital, Omdurman, Sudan |