[Evolution in the choice of body position during labor].
D005260:Female; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D007743:Labor, Obstetric; D009774:Obstetrics / Q000266:history* / Q000295:instrumentation; D011187:Posture; D011247:Pregnancy
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