Infertility trends among U.S. couples: 1965-1976.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D003625:Data Collection; D005260:Female; D006801:Humans; D007246:Infertility / Q000453:epidemiology*; D008297:Male; D013245:Sterilization, Reproductive; D014481:United States; D044465:White People