Parturitional posture and related birth behavior.
D000222:Adaptation, Physiological; D000818:Animals; D000884:Anthropology, Cultural; D001522:Behavior, Animal; D003431:Cross-Cultural Comparison; D005007:Ethnology; D005260:Female; D006801:Humans; D007746:Labor Presentation; D007743:Labor, Obstetric; D009321:Natural Childbirth; D009772:Obstetrical Forceps; D011187:Posture; D011247:Pregnancy; D011323:Primates