Causes of pneumovagina include tearing or stretching of the vulvar seal or the vulvovaginal sphincter and a sunken perineal body, characterized by cranial displacement of the anus, resulting in tipping of the vulva cranially over the brim of the pelvis.
"Even if I'm naked, I'm not provoking you"; "Holy vulva: deliver us from this patriarchal state"; and "Powerful vulva: give us safe abortions" read some of the placards carried by demonstrators.