Abortion trends in European socialist countries and in the United States.
D000029:Abortion, Legal; D000328:Adult; D000367:Age Factors; D001290:Attitude; D001723:Birth Rate; D003267:Contraception; D003431:Cross-Cultural Comparison; D003709:Democracy; D005060:Europe; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D007878:Legislation as Topic; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D012106:Research; D012847:Single Person; D012924:Social Conditions; D012950:Socialism; D014481:United States