Origin and Etymology of is. Middle English, from Old English; akin to Old High German ist is (from sÄ«n to be), Latin est (from esse to be), Greek esti (from einai to be)
For the medical journal, see Menopause (journal). Menopause, also known as the climacteric, is the time in most women's lives when menstrual periods stop permanently, and they are no longer able to bear children. Menopause typically occurs between 49 and 52 years of age.
When a woman's monthly cycle has stopped for a year, it is called menopause. The transition between the reproductive stage and menopause is called the climacteric or perimenopause. Many people, however, incorrectly refer to this as menopause. Menopause usually occurs in American women around the age of 51. Premature menopause happens when the ovaries fail before the age of 40.