Adapting hospital obstetrics to birth in the squatting position.
D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D009774:Obstetrics / Q000295:instrumentation; D009775:Obstetrics and Gynecology Department, Hospital; D011187:Posture; D011247:Pregnancy