Mammogram

A mammogram is an Reference X-ray Opens New Window of the breast that is used to screen for Reference breast cancer Opens New Window. Mammograms can find tumors that are too small for you or your doctor to feel.

Cancer is most easily treated and cured when it is discovered in an early stage. Mammograms do not prevent breast cancer or reduce a woman's risk of developing cancer. But for women ages 40 to 74, mammograms can help reduce deaths from breast cancer.^{Reference 1}

Your doctor may recommend testing at a younger age if you have risk factors for breast cancer.

Opens New Window Breast Cancer Screening: When Should I Start Having Mammograms? Opens New Window

A mammogram that appears to detect a cancer, when in fact a cancer is not present (Reference false-positive results Opens New Window), can occur at any age but is more likely to occur in younger women. About 5% to 10% of screening mammograms will require more testing. This may include another mammogram of specific breast tissue or another test, such as an Reference ultrasound Opens New Window. Most of these tests will show no cancer is present.

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This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.