The difference in unwanted births between blacks and whites.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D001290:Attitude; D003267:Contraception; D005006:Ethnicity; D005191:Family Characteristics; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007182:Income; D010298:Parity; D010820:Physicians / Q000706:statistics & numerical data; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D014481:United States; D014505:Urban Population; D044465:White People