Changing trends in illegitimacy.
D000293:Adolescent; D000328:Adult; D001290:Attitude; D004739:England; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007086:Illegitimacy; D008423:Maternal Age; D012424:Rural Population; D012606:Scotland; D012725:Sexual Behavior; D012923:Social Class; D013223:Statistics as Topic; D014505:Urban Population; D014852:Wales