National Association Of Nutritional Professionals (NANP) Domain IV Practice Test

Average age of menopause onset?

49 51 53 55

Correct Answer:

Explanation:

Menopause is typically defined as the permanent end of menstrual cycles, occurring after 12 consecutive months without a period. Across populations, the average age of onset is in the early 50s, with many large studies reporting a mean around 51 years. While there is a wide range—some women experience menopause in the mid-40s and others in the mid-50s—the number around 51 most accurately reflects the common average. Factors that can influence timing include genetics (the strongest influence), smoking (tends to cause earlier menopause), and certain health conditions or treatments, which can shift timing but don’t change the overall average. Therefore, the age around 51 best represents the average onset.

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