Vaginal prolapse As Women of all ages get older, or if there weakened pelvic muscles from trauma or childbirth, vaginal prolapse can happen. Vaginal prolapse, or vaginal vault prolapse, is characterised by a Component of the vaginal canal protruding (prolapsing) in the opening of the vagina.The Vagina Monologues, a 1996 episodic Enjoy by Eve Ensler