DefinitionUterine prolapse is falling or sliding of the uterus from its normal position in the pelvic cavity into the vaginal canal.Alternative NamesPelvic relaxation - uterine prolapse; Pelvic floor hernia; Prolapsed uterusCauses, incidence, and risk factorsThe uterus is held in position in the pelvis by muscles, special ligaments, and other tissue,. The uterus drops into the vaginal canal (prolapses) when these muscles and connective tissues weaken.Uterine prolapse usually happens in women who have had one or more vaginal births. Normal aging and lack of estrogen hormone after menopause may also cause uterine prolapse, Chronic cough and obesity increase the pressure on the pelvic floor and may contribute to the prolapse.. Uterine prolapse can also be caused by a pelvic tumor, although th