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': 'In a pregnant patient with rheumatic hea disease, failure does not occur if she has : \nSelect and explain. \nA. Preeclampsic toxemia, B. Hypehyroidism, C. Polyhydraminos, D. Hypothyroidism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Hypothyroidism', 'role': 'assistant'}]