title: Vaginal bleeding in the midtrimester of pregnancy.
mesh_terms: D000328:Adult; D004964:Estriol / Q000652:urine; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000150:complications; D010922:Placenta Diseases / Q000150:complications; D010923:Placenta Previa / Q000150:complications; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000097:blood* / Q000175:diagnosis / Q000209:etiology / Q000628:therapy / Q000652:urine; D011276:Pregnanediol / Q000652:urine; D013997:Time Factors; D014465:Ultrasonics; D014592:Uterine Hemorrhage / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy / Q000652:urine
chemical_list: D004964:Estriol; D011276:Pregnanediol