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.
The average age of menopause is 51 years, although the age range can vary between about 45 and 55 years. Women who go through menopause before age 40 years are considered to have an abnormally early menopause (called premature ovarian failure or primary ovarian insufficiency).