NCIt definition : The permanent cessation of menses, usually defined by 6 to 12 months of amenorrhea
in a woman over 45 years of age.;
Alternative definition : CTCAE: A disorder characterized by the permanent cessation of menses, usually defined
by 12 consecutive months of amenorrhea in a woman over 45 years of age.; NCI-GLOSS: The time of life when a woman's ovaries stop producing hormones and menstrual
periods stop. Natural menopause usually occurs around age 50. A woman is said to be
in menopause when she hasn't had a period for 12 months in a row. Symptoms of menopause
include hot flashes, mood swings, night sweats, vaginal dryness, trouble concentrating,
and infertility.;