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: Unknown
[{'content': 'Fetal middle cerebral artery Doppler is most useful in the evaluation of - \nSelect and explain. \nA. intrauterine growth restriction, B. Preeclampsia, C. Fetal anemia, D. Fetal metabolic disorders', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans-CMCA - PSA for fetal anemia in Rh- pregnancy.', 'role': 'assistant'}]