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.
Male hypogonadism is more common in ageing men. The levels of testosterone in men start to fall after the age of 40. It has been estimated that 8.4% of men aged 50-79 years have testosterone deficiency. Male hypogonadism is also linked with type 2 diabetes: approximately 17% of men with type 2 diabetes are estimated to have low testosterone levels.