title: The cultural evolution of natural birth.
authors.affiliation: Department of Anthropology, York University, Toronto, ON M3J 1P3, Canada. maggie@yorku.ca
authors.forename: Margaret E
authors.initials: ME
authors.lastname: MacDonald
mesh_terms: D001290:Attitude; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008880:Midwifery; D009321:Natural Childbirth / Q000523:psychology; D036801:Parturition; D010358:Patient Participation / Q000523:psychology; D011247:Pregnancy