Tanvir Tanvir1, Meeta Meeta2, Akanshi Singh2. 1. Department of Obstetrics and Gynaecology, Tanvir Hospital, Hyderabad, Telangana, India (all authors).. Electronic address: tanvirsinghtan@gmail.com. 2. Department of Obstetrics and Gynaecology, Tanvir Hospital, Hyderabad, Telangana, India (all authors).