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 old, but menopause may occur as early as the 30s or as late as the 60s. There is no reliable lab test to predict when a woman will experience menopause. The age at which a woman starts having menstrual periods is not related to the age of menopause onset.