Chandrakala Magudapathi1, Sudha Shanthi2, R Palanisamy3. 1. Department of Obstetrics and Gynaecology, Genesis Royal Infirmary, Coimbatore, India. 2. Department of Obstetrics and Gynaecology, Ramachandra Medical Centre, Trichy, India. 3. Department of Medicine, Royal Care Hospital, Coimbatore, India.