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: Gynaecology & Obstetrics
[{'content': 'High risk of hypoplastic left heart syndrome occurs with maternal intake of \nSelect and explain. \nA. Aminoglyocides, B. Chloramphenical, C. Nitrofurontoin, D. Sulfonamides', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Nitrofurantoin poses high risk of hypoplastic left heart syndrome in fetus.', 'role': 'assistant'}]