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: Medicine
[{'content': 'All can lead to development of ove anemia in patients with long standing compensated hemolytic anemia, EXCEPT: \nSelect and explain. \nA. Pregnancy, B. Renal failure, C. Folate deficiency, D. Hypothyroidism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A patient with a hemolytic condition may present without anemia (Compensated hemolytic anemia) It becomes decompensated in Pregnancy Folate deficiency Renal failure (Interfering with adequate EPO production) Also in Acute infections- which depresses erythropoiesis. The most dramatic example is parvovirus B19 infection, which may lead to aplastic crisis. Ref: Harrison, E-18, P-873.', 'role': 'assistant'}]