Authors
1 Obstetrics and Gynecology, Faculty of Medicine, Al- Azhar University, Cairo, Egypt
2 Obstetrics and Gynecology, El Galaa Maternity Teaching Hospital. Cairo, Egypt
3 Clinical Pathology, El Galaa Maternity Teaching Hospital. Cairo, Egypt
4 Obstetrics and Gynecology, Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
Abstract