Sexual behaviour and contraceptive use among socioeconomic groups of young women in the United States.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D003267:Contraception; D005260:Female; D006801:Humans; D012725:Sexual Behavior; D012959:Socioeconomic Factors; D014481:United States; D044465:White People