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': 'Infeility can be defined as: UP 11; KCET 13 \nSelect and explain. \nA. Not conceiving after 3 years of marriage, B. Not conceiving after 2 years of unprotected intercourse, C. Not conceiving after 1 year of unprotected intercourse, D. Not conceiving after 1 year of marriage', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Not conceiving after 1 year of unprotected intercourse', 'role': 'assistant'}]