Menopause, also known as theclimacteric, is the time in most women’s lives whenmenstrual periodsstop permanently, and they are no longerable to bear children.
Menopause typically occurs between 49 and 52 years of age.Medical professionals often define menopause as having occurred when a woman has not had any womanhood bleeding for a year.
It may also be defined by a decrease inhormoneproduction by theovaries. In those who have had surgery to remove their uterus but they still have ovaries, menopause may be viewed to have occurred at the time of the surgery or when their hormone levels fell....................... https://readblogweb.wordpress.com/2017/04/17/what-menopause-symptoms-e-t-c/

Some happens even around late thirties