Mammograms: Your Questions Answered

A mammogram is the best preventive tool in detecting breast cancer early, when it is at its most treatable, curable stage. That’s why prioritizing this annual screening is so important. Read on for helpful answers to some of the most commonly asked questions regarding mammograms.

Who should get a mammogram and how often?

A recent study showed women who have an annual mammogram starting at age 40 have a decreased risk of death from breast cancer. This has prompted the United States Preventive Task Force (USPTF) to adjust the recommendations to reflect this change. As a result, most ob/gyn and family practitioners recommend a mammogram every year for women starting at age 40, unless there are indications for earlier testing.

Who is at an increased risk of developing breast cancer?

There are several factors that can increase your risk for breast cancer including having a genetic or family history of breast cancer, a personal history of certain types of cancer, increased breast density, prior breast biopsies of a high-risk nature and chest radiation before the age of 30. Other factors include the age when women had their first period, the age when they had their first child and how many children they have had, the age when they went through menopause, obesity and history of smoking. All of those factors help determine who is of average risk and who is of increased risk.

Should women wait after getting a vaccine to get a mammogram, and if so, how long?

A few vaccines can cause swollen lymph nodes under the arm in which the vaccine was given. It is recommended for women who receive the BCG vaccine, flu vaccine, HPV vaccine or COVID vaccine to wait about 4 to 6 weeks after their vaccine to have a screening mammogram performed. For a routine screening mammogram, waiting a few weeks typically won’t be a problem; however, this wait does not apply to diagnostic mammograms.

Why would someone need a diagnostic mammogram?

A diagnostic mammogram is performed after an abnormality has been found on a routine screening mammogram or on a breast exam and there is a need for additional information. It can be performed with an ultrasound, and a breast biopsy may be done at the same time. A diagnostic mammogram helps to determine what type of tissue the abnormality may be, such as a cyst, calcification or solid mass. Capturing additional images and angles, along with spot compression and magnification, allows for a greater understanding to determine what additional testing or treatment the patient may need.

Anne Seyer, MD, is a board-certified Obstetrics and Gynecology provider. Her practice is part of BJC Medical Group, and she has an office on the campus of Progress West Hospital. To schedule an appointment with Dr. Seyer, please call 636.928.WELL.

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