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: Pharmacology
[{'content': 'Which of the following is not true regarding carbimazole: September 2010 \nSelect and explain. \nA. Safely used in pregnancy, B. More potent than propylthiouracil, C. Single daily dose administration, D. Does not inhibit peripheral conversion of T-4 to T-3', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Safely used in pregnancy', 'role': 'assistant'}]