This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Gynae), Subject name: Gynaecology & Obstetrics
[{'content': 'Menopause transition of a female is from: \nSelect and explain. \nA. 30-49 years, B. 35-49 years, C. 40-51 years, D. 40-60 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is c, i.e. 40-51 yearsRef: Williams gynae 3rd/ed, p471Menopause:Transition is between 40-51 years.Average duration = 4-7 yearsAverage age of menopause = 41.5 years.', 'role': 'assistant'}]