Department of Obstetrics and Gynecology, Faculty of Medicine, Ain Shams University, Cairo, Egypt. Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia. Department of Obstetrics and Gynecology, Maternity and Children Hospital, Makkah, Saudi Arabia. Department of Obstetrics and Gynecology, Faculty of Medicine at Rabigh, King Abdulaziz University, Saudi Arabia. Department of Obstetrics and Gynecology, Faculty of Medicine, Najran University, Najran, Saudi Arabia. Department of Obstetrics and Gynecology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia. Department of Obstetrics and Gynecology, New Jeddah Clinic Hospital, Jeddah, Saudi Arabia. Department of Obstetrics and Gynecology, Faculty of Medicine, Al-Azhar University, Assiut, Egypt. Department of Obstetrics and Gynecology, Faculty of Medicine, Assiut University, Assiut, Egypt. Faculty of Medicine, Al-Quds University, Jerusalem, Palestine. Kasralainy, Faculty of Medicine, Cairo University, Cairo, Egypt. Electronic address: ahmed.m.rohei@students.kasralainy.edu.eg.