Threatened and spontaneous abortion. A retrospective study of the diagnosis on admission.
D000022:Abortion, Spontaneous; D000033:Abortion, Threatened; D000328:Adult; D005191:Family Characteristics; D005260:Female; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy; D012189:Retrospective Studies; D012923:Social Class