Gas in the umbilical vessels as a sign of fetal death.
D005260:Female; D005313:Fetal Death / Q000000981:diagnostic imaging*; D005740:Gases; D006801:Humans; D011247:Pregnancy; D011859:Radiography; D014469:Umbilical Arteries; D014471:Umbilical Veins
D005740:Gases