Biomechanics and human parturition.
D000818:Animals; D001696:Biomechanical Phenomena; D002584:Cervix Uteri / Q000502:physiology; D002585:Cesarean Section; D005260:Female; D049672:History, 19th Century; D049690:History, Ancient; D006801:Humans; D007198:Indians, North American; D007743:Labor, Obstetric; D008880:Midwifery / Q000266:history; D008954:Models, Biological; D010920:Placenta / Q000502:physiology; D011187:Posture; D011247:Pregnancy; D011312:Pressure; D011323:Primates / Q000502:physiology; D014465:Ultrasonics