Sexual health of teenagers in England and Wales: analysis of national data.
D000029:Abortion, Legal / Q000706:statistics & numerical data; D000293:Adolescent; D000328:Adult; D004739:England / Q000453:epidemiology; D005260:Female; D006304:Health Status; D006801:Humans; D008297:Male; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000706:statistics & numerical data; D012749:Sexually Transmitted Diseases / Q000453:epidemiology*; D014852:Wales / Q000453:epidemiology