Shikha Jain1, Neha Jain2, Swati Chaudhary3. 1. Department of Obstetrics and Gynaecology, Deen Dayal Upadhayay Hospital, C 37 A Shanti Bhawan Harinagar, New Delhi, India. 2. S.M.S Medical College, Jaipur, Rajasthan India. 3. Department of Obstetrics and Gynaecology, Deen Dayal Upadhayay Hospital, New Delhi, India.