Hota, T. and Misra, S. 2017. Pelvic organ prolapse quantification system: to valsalva or not to valsalva while measuring genital hiatus (GH) and perineal body (PB). International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 6, 5 (Apr. 2017), 1843–1847. DOI:https://doi.org/10.18203/2320-1770.ijrcog20171534.