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.
Menopause is associated with decreased levels of hormones and is associated with. decreased libido. Testosterone in women comes from the ovary and the adrenal gland. Testosterone levels decrease rapidly with age. From age 20 to 40 the average testosterone. level drops by 50%. From age 40 to 50 it drops another 25%.