Problems of bleeding from the genital tract during early months of pregnancy.
D000022:Abortion, Spontaneous / Q000150:complications; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000150:complications; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000209:etiology*; D011271:Pregnancy, Ectopic / Q000150:complications; D014592:Uterine Hemorrhage / Q000209:etiology*; D014594:Uterine Neoplasms / Q000150:complications