Cohabitation and reproductive behavior in the U.S.
Division of Vital Statistics, National Center for Health Statistics, Hyattsville, Maryland 20782.
C A
CA
Bachrach
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003267:Contraception; D003625:Data Collection; D004522:Educational Status; D005260:Female; D006801:Humans; D008019:Life Style; D012098:Reproduction; D012725:Sexual Behavior; D012747:Sexual Partners / Q000523:psychology*; D014481:United States