This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Management and Long-Term Consequences, Subject name: Gynaecology & Obstetrics
[{'content': 'In pregnancy with hypertension which drug is given: \nSelect and explain. \nA. Propranolol, B. Acebutalol, C. Metoprolol, D. Labetalol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) LabetalolRef: Dutta obs 7/e 228, William obs 22/e 728', 'role': 'assistant'}]