Abortion on request: its consequences for population trends and public health.
D000024:Abortion, Illegal; D000028:Abortion, Induced / Q000401:mortality; D000029:Abortion, Legal; D000293:Adolescent; D000328:Adult; D001723:Birth Rate; D003267:Contraception; D003431:Cross-Cultural Comparison; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007878:Legislation as Topic; D009017:Morbidity; D009026:Mortality; D011153:Population; D011247:Pregnancy; D011634:Public Health; D014481:United States