Menopause

• biology

cessation of the female menstruation cycle and of reproduction
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby

• cancer

The time of life when a woman's menstrual periods stop permanently. Also called "change of life."

• psychology

A time of physical change in women (typically during middle adulthood) in which menstruation ceases and the ovaries stop producing estrogen.
Source: The Everything Psychology Book