According to the latest research, older women may not necessarily need to have a mammogram every year.

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.

Biennial screenings did not result in higher rates of advanced breast cancer.

The new testing guidelines also have another benefit. It cuts down on the number of false positive results in this age group.

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