This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Advanced Fetal Ultrasonography and Therapy, Subject name: Radiology
Nuchal translucency is used in - 
Select and explain. 
A. Head scan, B. MRI neck, C. ANC USG, D. Anthropometry
C: ANC USG
Answer: C: ANC USG 
Explanation: Ans. is 'c' i.e., ANC USGo Nuchal translucency is used for screening of down syndrome in antenatal USG.