Feb 5, 2013 1:39 PM by NBC News
New research suggests yearly mammograms may not be necessary for older women.
A large national study found getting mammograms every other year was just as beneficial as annual screenings for women between 66 and 89 years old.
Researchers say women who were screened bi-annually did not have higher rates of late stage breast cancer compared to women who got yearly mammograms.
There was another benefit as well. Forty-eight percent of women who got yearly mammograms had false positive results, compared to only 29% of women in the same age range who were screened every two years.
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