Gas in the foetal skull.
D000328:Adult; D005260:Female; D005313:Fetal Death / Q000000981:diagnostic imaging*; D005740:Gases; D006801:Humans; D007746:Labor Presentation; D007751:Labor, Induced; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging*; D011859:Radiography; D012886:Skull / Q000000981:diagnostic imaging*
D005740:Gases