title: Prenatal observation of umbilical cord hematoma.
mesh_terms: D000328:Adult; D000649:Amniocentesis / Q000009:adverse effects*; D005260:Female; D006406:Hematoma / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis; D014463:Ultrasonography; D014470:Umbilical Cord