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.
Estrogen is very critical to brain function and, therefore, libido. Clomid messed with estrogen and, for reasons not entirely understood, can lower libido in some men. And, yes, if you raise testosterone, your estrogen will go up due to aromatization, but that will also happen with HRT.