Reference:
Toozs-Hobson P, Freeman R, Barber M, Maher C, Haylen B, Athanasiou S, Swift S, Whitmore K, Ghoniem G, de Ridder D. An international urogynecological association (IUGA)/international continence society (ICS) joint report on the terminology for reporting outcomes of surgical procedures for pelvic organ prolapsed. Neurourology and Urodynamics 2012;31(4): 415-421.