This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': "On USG finding of cystic hygroma in fetus is suggestive of : \nSelect and explain. \nA. Down's syndrome, B. Marfan's syndrome, C. Turner's syndrome, D. Klinfelter's syndrome", 'role': 'user'}, {'content': "Answer: C \nExplanation: Turner's syndrome (XO) may have - Cystic hygroma, Widely spaced nipples, Webbed neck, Infertility, Normal I.Q.", 'role': 'assistant'}]