title: An early sign of fetal demise. Ultrasonic demonstration of clotted blood within the fetal heart.
mesh_terms: D000328:Adult; D005260:Female; D005313:Fetal Death / Q000175:diagnosis*; D005318:Fetal Heart; D006801:Humans; D011247:Pregnancy; D011263:Pregnancy Trimester, Third; D014463:Ultrasonography