NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,177 terms related to cancer and medicine.

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premature ovarian failure
(PREE-muh-CHOOR oh-VAYR-ee-un FAYL-yer)
A condition in which the ovaries stop working and menstrual periods stop before age 40. This can cause fertility problems and symptoms of menopause. Premature ovarian failure means the ovaries do not function normally. This may be because they have been removed by surgery, or it may be caused by some cancer treatments and certain diseases or genetic conditions. Some women with premature ovarian failure sometimes have menstrual periods and may be able to have children. Also called primary ovarian insufficiency.