<prompt> Most impoant suppo of uterus for preventing prolapse is:Pelvic floorRound ligament of ovaryRound ligament of uterusTransverse cervical ligament  <response>: Pelvic diaphragm is the most impoant suppo for the uterus. It comprises of levator ani muscle: ischio-coccygeus, ilio-coccygeus and pubo-coccygeus most impoant coccygeus superior and inferior fascia Prolapse of uterus occurs usually in old age in a multiparous woman. A neglected or imperfectly repaired perineal tear is an impoant cause of such a prolapse. It is also ored by hard manual or domestic labor, subinvolution of uterus, injury or idiopathic weakness of transverse cervical and uterosacral ligaments and a persistent rise in intra-abdominal pressure. 