Institution: | 1. Department of Obstetrics and Gynecology, Faculty of Medicine, Cairo University, Cairo, Egypt;2. Department of Andrology and Sexology, Faculty of Medicine, Cairo University, Cairo, Egypt;3. Department of Obstetrics and Gynecology, Faculty of Medicine, Beni Suef University, Beni Suef, Egypt;4. Egyptian International Fertility IVF Center (EIFC-ET), Cairo, Egypt |