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
Menopause transition of a female is from: 
Select and explain. 
A. 30-49 years, B. 35-49 years, C. 40-51 years, D. 40-60 years
C: 40-51 years
Answer: C: 40-51 years 
Explanation: 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.