Ovary Removal Surgery Elevates Risk For Dementia

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Mayo Clinic researchers have found that ovariectomy, surgical removal of a woman's ovaries, raises her risk of developing dementia or cognitive impairment. Risk is especially increased if a woman has her ovaries removed at a young age.
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The findings will be presented Wednesday at the American Academy of Neurology meeting in San Diego.
The researchers studied 1,209 women who had surgical removal of both ovaries and 1,302 women who had only one removed from 1950 to 1987 in Olmsted County, Minn., home of Mayo Clinic. They compared each of the women who had undergone ovary removal with women who had no ovaries removed and followed them over time to see whether they developed dementia or cognitive impairment. Dementia or cognitive impairment was determined by interviewing a family member who reported a diagnosis of dementia, or by a low score on a telephone cognitive test given to the affected individual.


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