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': 'Fetal damage in diabetic mother in 1st trimester is best assessed by : \nSelect and explain. \nA. Level of glycosylated Hb, B. Level of glucose, C. Level of cholesterol, D. Level of insulin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Level of glycosylated Hb', 'role': 'assistant'}]