Affiliation: | 1. Department of Obstetrics and Gynaecology, Maulana Azad Medical College, New Delhi, India;2. Maulana Azad Institute of Dental Sciences, New Delhi, India;3. Institute of Cytology and Preventive Oncology, Noida, Uttar Pradesh, India;4. Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, India |