1Senior Registrar, Dept. of Obstetrics & Gynecology Unit IV, Christian Medical College, Vellore
2Retired Professor & HOD, Dept. of Obstetrics & Gynecology Unit IV, Christian Medical College, Vellore
3Senior Demonstrator, Dept. of Biostatistics, Christian Medical College, Vellore
*Corresponding Author: Email: rubyjose1@gmail.com
Online published on 14 October, 2017.