This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology in Relation to Reproduction, Subject name: Gynaecology & Obstetrics
[{'content': 'Maximum level of beta HCG is seen at- \nSelect and explain. \nA. 8 weeks, B. 9 weeks, C. 10 weeks, D. 11 weeks', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is C 10 weeks', 'role': 'assistant'}]