title: Vaginal bleeding in early pregnancy.
mesh_terms: D000033:Abortion, Threatened / Q000150:complications* / Q000628:therapy; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology; D011247:Pregnancy; D011261:Pregnancy Trimester, First