Changing patterns of childbirth and childcare.
D000293:Adolescent; D002648:Child; D002654:Child Care; D002662:Child Health Services; D002675:Child, Preschool; D005053:Eugenics; D005260:Female; D006801:Humans; D007223:Infant; D007743:Labor, Obstetric; D008297:Male; D011247:Pregnancy