1. Department of Obstetrics and Gynecology, Minia University Hospital, El-Minia, Egypt,
2. Department of Pediatrics, Minia University Hospital, El-Minia, Egypt,
3. Department of Clinical Pathology, Minia University Hospital, El-Minia, Egypt, and
4. Department of Public Health and Preventive Medicine, Minia University Hospital, El-Minia, Egypt