Moulding of the pelvic outlet.
D005260:Female; D006801:Humans; D010387:Pelvimetry; D010388:Pelvis / Q000033:anatomy & histology / Q000000981:diagnostic imaging* / Q000502:physiology; D011247:Pregnancy; D011859:Radiography; D012446:Sacroiliac Joint / Q000000981:diagnostic imaging