Natality statistics analysis, 1964.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D001723:Birth Rate; D005260:Female; D005298:Fertility; D006801:Humans; D007086:Illegitimacy; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D014481:United States; D014798:Vital Statistics; D044465:White People