K B Gayathri1, M Subhashri1, M Vijaya Sree1, C H V P Kumar2. 1. Gynaecology and Obstetrics, Mamata Medical College/Mamata General Hospital (MMC/MGH), Rotary Nagar, Khammam, Andhra Pradesh 507002 India. 2. General Surgery, Mamata Medical College/Mamata General Hospital (MMC/MGH), Rotary Nagar, Khammam, Andhra Pradesh 507002 India.