Clinical evaluation of uterine hemorrhage in early pregnancy.
D000033:Abortion, Threatened / Q000175:diagnosis / Q000209:etiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D014592:Uterine Hemorrhage / Q000175:diagnosis / Q000209:etiology*