1. Department of Obstetrics and GynecologyMenoufia University Menoufia Egypt
2. Department of Obstetrics and GynecologyKing Abdul‐Aziz Airbase Hospital Dhuhran Saudi Arabia
3. Department of RadiologyMenoufia University Menoufia Egypt
4. Department of Public Health and Community MedicineFaculty of MedicineMenoufia University Menoufia Egypt