Menopause refers to the permanent cessation of menstruation, while climacteric: the period during which the woman gradually changes from the reproductive life of one of aging. Menopause can also be classified to as a change of life. Moreover, the terms are mostly used synonymously; the menopause is the popular term that is used. These physiological processes by cessation of follicular function. Etiology Menopause occurs as a result of depletion of ovarian follicles and eggs of the resulting estrogen deprivation.