Menopause is the permanent cessation of the primary functions of the human ovaries: the ripening and release of ova and the release of hormones that cause both the creation of the uterine lining and the subsequent shedding of the uterine lining (a.k.a. the menses or the period). Menopause typically (but not always) occurs in women in midlife, during their late 40s or early 50s, and signals the end of the fertile phase of a woman's life. The transition from reproductive to non-reproductive is the result of a reduction in female hormonal production by the ovaries. This transition is normally not sudden or abrupt, tends to occur over a period of years, and is a natural consequence of aging. However, for some women, the accompanying signs and effects that can occur during the menopause transition years can significantly disrupt their daily activities and sense of well-being. In addition, women who have some sort of functional disorder affecting the reproductive system (e.g.
Contributions by Invertzoo, QuizzicalBee, and Jfdwolff.