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': 'Molar pregnancy is diagnosed in : \nSelect and explain. \nA. I trimester I trimester, B. II trimester, C. III trimester, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: I trimester', 'role': 'assistant'}]