Anismus may also occur with anorectal malformation, rectocele, rectal prolapse and rectal ulcer. Examples of pelvic organ prolapse are cystocele, rectocele, urethrocele, enterocele and sigmoidocele. It is also used to treat stress urinary incontinence, a retroverted uterus, cystocele and rectocele. Other vaginal changes related to aging and childbirth are stress urinary incontinence, rectocele, and cystocele. Vaginal cysts resemble other structures that protrude from the vagina such as rectocele and cystocele. It is not possible to differentiate between a rectocele and a sigmoidocele on vaginal examination. Other causes of incomplete evacuation include non-emptying defects like a rectocele. It is also used in the assessment of rectocele. Rectocele can be a cause of symptoms of obstructed defecation. Perforations in it can lead to rectocele.