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: Forensic Medicine
[{'content': 'In a normal pregnancy, maternal hCG level is maximum at gestational age of: UPSC 07; 14 \nSelect and explain. \nA. 8 to 10 weeks, B. 12 to 14 weeks, C. 16 to 18 weeks, D. after 20 weeks', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. 8 to 10 weeks', 'role': 'assistant'}]