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': 'Aboion in H. mole most often occurs at : \nSelect and explain. \nA. 2-4 weeks, B. 4-6 weeks, C. 6-12 weeks, D. 4-6 months', 'role': 'user'}, {'content': 'Answer: D \nExplanation: 4-6 months', 'role': 'assistant'}]