title: Trends in teenage childbearing 1970-83.
mesh_terms: D000293:Adolescent; D005006:Ethnicity; D005193:Family Planning Services; D005260:Female; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012736:Sex Education; D012959:Socioeconomic Factors; D014481:United States