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 Beginning of Menopause. So, when does menopause start for most women? There is no set age when menstruation stops as the end of a woman's fertile period is an individual experience. There are averages however. According to the National Institute of Aging the average age that a woman has her last period is 51. This does not mean that menopause will not occur during a woman's forties, or even thirties in some cases. Some women may menstruate well into their fifties. There are factors that may contribute to an early menopause.