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.
Age Is Poor Predictor. A woman is said to have reached menopause when she has not had a period for a year. The average age when this occurs is 51. But because some women reach menopause in their early 40s and others in their late 50s, age is a poor predictor of menopausal status.