Author Henry David Thoreau was among those who spoke out in defense of John Brown after his arrest following the Harpers Ferry raid. Thoreau penned an essay, âA Plea for Captain John Brown,â in support of his fellow abolitionist.
1 The average age of U.S. women at the time of menopause is 51 years. 2  The most common age range at which women experience menopause is 48-55 years. 3  Premature menopause is defines as menopause occurring in a woman younger than 40 years. 4  About 1% of women experience premature menopause.
When does menopause start? The average age of the onset of menopause is 51 years, and it is most commonly occurs from age 47 to 53. Perimenopause is the period immediately before and after the onset of menopause, and averages 4 years.