This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'Molar pregnancy is diagnosed in: \nSelect and explain. \nA. I trimester, B. II trimester, C. Ill trimester, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Many moles are today diagnosed by routine ultrasound but vaginal bleeding is still a common symptom.Due to early diagnosis the mean age of evacuation is around 12 weeks which is earlier than it used to be (refer pgno:169 sheila textbook of obstetrics 2nd edition)', 'role': 'assistant'}]