This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Obstetrical Ultrasonography in the First Trimester, Subject name: Radiology
Spalding sign is seen in - 
Select and explain. 
A. Abortion, B. Still birth, C. IUD, D. Infanticide
C: IUD
Answer: C: IUD 
Explanation: Ans. is 'c' i.e., IUD o One important radiological sign suggestive of maceration in intrauterine death is Spaulding sign, i.e. skull bones over ride each other.