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How to Prepare for a Mammogram

Oct 16 2026
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Mammograms are critical screenings used to detect breast cancer or other conditions involving breast tissue. Knowing how to prepare for a mammogram and understanding what to expect during your first mammogram can help alleviate anxiety and ensure a smoother experience.

Are you due for a mammogram? Whether it’s your first or 15th, prepare for it by making an appointment to get this important screening on the books and off your to-do list.

What is a mammogram?

A mammogram is a specialized breast imaging technique that takes low-dose X-ray images of the breast tissue. It plays a crucial role in cancer screening, allowing for the early detection of abnormalities that could indicate breast cancer.

For many women, the first mammogram occurs around the age of 40, especially if they are of average risk. However, some may need to start earlier if they have a family medical history of breast cancer or other risk factors.

Are all mammograms the same?

Not all mammograms serve the same purpose. Your provider may recommend a screening mammogram or a diagnostic mammogram depending on why you’re having the test. Mammography may also use 2D digital imaging or 3D technology.

  • Screening mammogram: Looks for breast cancer in people who don’t have symptoms. Mammograms can identify tumors before they cause symptoms, which can help find breast cancer at an earlier stage.
  • Diagnostic mammogram: Evaluates a breast concern, such as a lump or another change, or to investigate an abnormal finding from previous imaging. It uses the same type of mammography equipment as a screening exam but typically includes images from additional angles so the radiologist can take a closer look.
  • 2D vs. 3D mammography: A 2D digital mammogram takes images of the breast to create flat, two-dimensional views. A 3D mammogram, also called digital breast tomosynthesis (DBT), takes multiple images from different angles to create a 3D-like view of the breast. This allows a radiologist to examine breast tissue in greater detail.

Bon Secours offers both mammography and 3D mammography, with 3D mammography available at many Bon Secours imaging and breast health facilities.

What is the process of a mammogram?

Once you arrive at the imaging center, you’ll be greeted by a mammography technologist, who will guide you through the procedure.

Here’s what to expect during it:

  • Positioning: The technologist will ask you to stand in front of the mammography machine. You’ll need to position your breasts on the imaging plate. This might feel a bit uncomfortable, but it’s essential for obtaining good-quality images.
  • Compression: A plate will compress your breast from side to side. This compression is necessary to spread out the breast tissue, making it easier to identify any potential issues. The pressure usually lasts only a few seconds and while it might be uncomfortable, it shouldn’t be painful.
  • Imaging: The technologist will take multiple images from different angles. You may be asked to hold your breath briefly during this process to ensure clarity in the images.
  • Duration: The entire procedure typically takes about 15 to 30 minutes. Afterward, you can get dressed and return to your daily activities.

You’ll receive your mammogram results on MyChart. Your provider will review those results and follow up with you with their assessment and further instructions.

How to prepare for a mammogram

Like many health screenings, preparation can help make your experience more comfortable.

Whether it’s your first mammogram or you’ve gotten one before, a few ways to better understand how to prepare for a mammogram include:

  • Schedule your mammogram strategically: Choose a time when your breasts are less likely to be tender, usually a week after your menstrual period.
  • Wear something comfortable: Opt for a two-piece outfit. You will need to remove your top for the procedure, so wearing a top and a bottom can make the process easier.
  • Avoid certain products: On the day of your appointment, avoid wearing deodorant, perfume or lotions on your arms or on your breasts. These products can interfere with the imaging results and might require additional imaging.

What can I expect after my first mammogram?

After your mammogram, the images will be reviewed by a radiologist. They will look for any signs of abnormalities or changes in your breast tissue. Most women receive their results within a week.

In some cases, you may be called back for additional imaging or tests. This doesn’t necessarily mean something is wrong – it could be due to unclear images or the need for further evaluation.

Additional common questions about first mammograms

  • At what age should a woman have her first mammogram? The general recommendation is that women start having screening mammograms at age 40, but those at higher risk may need to begin earlier. Consult with your primary care provider to determine the best timing for you.
  • Why would I be called back after my first mammogram? A callback can occur for various reasons, including unclear images or a finding that needs further investigation. This is not uncommon and doesn’t always mean there is a problem.
  • Is it bad to get a mammogram too early? Getting a mammogram before the recommended age can lead to unnecessary anxiety and additional procedures if the results are unclear. Following the guidelines and consult your doctor based on your personal risk factors .

Your first mammogram can feel daunting, but knowing what to expect can make the experience much more manageable. And remember, proactive health measures are essential for maintaining your overall well-being.

How we can help

Whether it’s your first mammogram or you’ve already started getting these screenings regularly, knowing how to prepare for a mammogram can help make the experience smoother and ease any anxiety you may have.

Getting regular mammograms is a critical step in detecting breast cancer. If you’re due for breast cancer screening or have noticed a change in your breast, talk to your primary care provider. If your next step is to get a mammogram, make an appointment at a Bon Secours breast center near you.

Learn about the primary care services we provide at Bon Secours.


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