A perspective of maternal position during labor.
D036861:Delivery, Obstetric; D004739:England; D005260:Female; D005602:France; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008124:Locomotion; D008880:Midwifery / Q000266:history; D009774:Obstetrics / Q000266:history; D011187:Posture; D011247:Pregnancy; D014481:United States