How to Prepare for a Mammogram

Medically reviewed by Lacy Windham, MD

Last Updated: June 28, 2023 Approved

Experts agree mammograms can help catch breast cancer early so you have a better chance of recovering. During a mammogram, your healthcare provider will take X-ray images of your breasts to check for signs of breast cancer.^{[1]
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Centers for Disease Control and Prevention
Main public health institute for the US, run by the Dept. of Health and Human Services

Go to source} Researchers say that a screening mammogram may help identify changes in your breast tissue, while a diagnostic mammogram can help your doctor evaluate changes in your breast.^{[2]
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American Cancer Society
Nonprofit devoted to promoting cancer research, education, and support

Go to source} You may experience discomfort during a mammogram, but try not to worry; it's typically a very quick procedure.

Part 1

Part 1 of 2:

Making an Informed Decision

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Visit a doctor before your mammogram. While it may not be required, it is still recommended to see a physician for a clinical breast exam prior to the mammogram. Mammograms will miss 10% of breast cancers that can be detected clinically.^{[3]
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National Cancer Institute
An agency in the National Institutes of Health focused on cancer research and patient support

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- Many mammogram facilities will allow a woman over the age of 40 to make an appointment without a referral or prescription from their doctor.^{[4]
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- Talk with the doctor about any breast symptoms or signs, like breast tenderness, nipple discharge, or new lumps found on self-examination; inform her of any hormone use. Tell the doctor about your medical history, specifically any personal and family history of breast cancer.^{[5]
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  Research source} Then, the doctor will perform a breast exam and look for any abnormalities.
- Follow the doctor’s advice about what signs, symptoms, and medical history are best to share with the radiology technologist who will take the X-rays on the day of the mammogram.
- Have the doctor address any questions or concerns you may have about your upcoming study.
2
Choose a mammography facility approved by the FDA. The Food and Drug Administration ensures the facility meets specific baseline quality standards for equipment, personnel, and practices.^{[6]
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US Office on Women's Health
U.S. government agency providing resources for women's health

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- Do an internet search to find a facility near you. There is a Mammography Facility Database on the FDA website.^{[7]
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  Research source} You can call a local medical clinic or your health department for suggestions.
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3
Find a mammogram facility that has experience with breast implants. Those with breast implants can and should get regular mammograms. Breasts implants can obscure breast tissue and interfere with the visualization of abnormalities and delay the diagnosis of breast cancer.^{[8]
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American Cancer Society
Nonprofit devoted to promoting cancer research, education, and support

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- The technologist most likely will take additional X-rays to maximize visualization of all breast tissue. He may try to manipulate the implant to move it away from the breast tissue.^{[9]
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  U.S. government agency providing resources for women's health
  
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- Capsular contractures or scar tissue around breast implants can make breast compression by the machine too painful or impossible. There is a risk of rupture. Let the technologist know if you are having too much pain.^{[10]
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Part 2

Part 2 of 2:

Taking the Stress out of Mammography

The mammogram involves having your breast gradually compressed. Breasts become tender before and during the menstrual period. If you are premenopausal, still menstruating, it is best to have the study in the week after your menstrual period ends.^{[11]
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Centers for Disease Control and Prevention
Main public health institute for the US, run by the Dept. of Health and Human Services

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2
Obtain copies of any previous mammograms. You will take these films with you to the appointment. It is your responsibility to make sure the copies are at the facility on the day of your appointment.^{[12]
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US Office on Women's Health
U.S. government agency providing resources for women's health

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- The X-ray images of your breast will be analyzed by a certified radiologist. This type of doctor is trained to evaluate X-rays like mammograms and to suggest a diagnosis based upon what they see on the films. They compare your current films to your old films, looking for any new abnormalities or if a previous abnormality has changed in size or appearance. This comparison is an essential part of determining if anything seen on your mammogram is suggestive of breast cancer.^{[13]
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- Give your old facility enough time to make copies of the X-ray films. Mammograms can be X-ray films or digital images sent directly to a computer workstation.^{[14]
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  Research source} It is possible for digital images to be sent electronically, but you will need to ask.
- If your previous mammograms were performed at the same facility, just let the radiology technologist know on the day of the appointment. They will inform the radiologist.
Caffeine can cause breast tenderness. Consider abstaining for several days up to 2 weeks before your appointment.^{[15]
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4
Take an over-the-counter pain reliever one hour before the procedure. Compression of your breasts during the mammogram is necessary, but it can be painful. Take steps to minimize the discomfort you experience.
- Fear of pain or anxiety about the procedure should not be a reason to not have a mammogram performed. If your anxiety is great, your doctor may administer an anti-anxiety medication prior to the exam.
- You can take a medication like acetaminophen (Tylenol), ibuprofen (Motrin, Advil), or aspirin to try to ease any discomfort. Do not take any medications without first consulting your doctor.
- You can take a pain reliever after the study as well. If you take medication before the study, make sure the suggested time has elapsed before repeating the next dosing.
- Compression of the breast tissue is not harmful. There are advantages to having the tissue spread out evenly. It allows better visualization of any abnormalities. The superior tissue penetration allows for less radiation use. Blurring of the images is decreased because the tissue is being held in place.^{[16]
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5
Do not apply any grooming products under the arms or on the breasts. Products, such as deodorants, antiperspirants, powders, lotions, creams, or perfumes can interfere with the quality of the X-ray images.^{[17]
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Centers for Disease Control and Prevention
Main public health institute for the US, run by the Dept. of Health and Human Services

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- Grooming products can have metallic particles or contain calcium, resulting in shadows on the X-ray. This could be mistaken for or hide abnormal breast tissue. Avoid undergoing additional testing or possibly losing the opportunity to have a breast cancer detected early.
You will need to undress from the waist up and put on a gown that opens in the front. Changing your clothing will be easier if you only have to remove your shirt.^{[18]
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US Office on Women's Health
U.S. government agency providing resources for women's health

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Anything around the neck will interfere with obtaining clear X-ray images of your breasts. ^{[19]
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US Office on Women's Health
U.S. government agency providing resources for women's health

Go to source} Do not risk having neck jewelry lost or stolen because you have to remove it.
8
Bring your ID and insurance information. You must check in before the mammogram is performed. The process involves confirming your identity and your insurance information. You will sign some papers, as well.
- Ask at what time and where in the facility you are expected. Plan your travel time so that you arrive early.
9
Tell the radiology technologist about your breast-related medical history. The American Cancer Society (ACS) recommends sharing your personal or family history of breast cancer and any breast signs and symptoms, like lumps or breast discharge. Consider previous mammograms to be a part of this history.^{[20]
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- The technologist can focus on any suspicious areas and communicate that to the radiologist if you tell him about specific breast signs and symptoms. The technologist also will pass on any information about your personal or family history of breast cancer.
10
Tell the radiology technologist about any physical limitations. The mammogram will take about 30 minutes. You will need to stand and change positions during this time. The technologist will work around any physical limitations.
- You will stand in front of the X- ray machine. The technologist will place the breast on a platform which is raised or lowered to match your height. Proper positioning of your arms, torso, and head is key to obtaining high-quality X-ray images. Finally, a clear plastic plate will gradually compress the breast. Once the breast is properly compressed, you will need to stand still and hold your breath. This process will be repeated on the other breast.^{[21]
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Discuss the recommendations concerning the timing of your mammography. They do vary depending on the source. For example, the U.S. Preventive Services Task Force mammogram guidelines recommend to begin screening at age 50 and repeat the test every two years. The American Cancer Society and other organizations recommend screening begin at 40 and continue annually.^{[22]
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Johns Hopkins Medicine
Official resource database of the world-leading Johns Hopkins Hospital

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Talk to a doctor before you schedule a mammogram if you are pregnant or if think you are. Asymptomatic pregnant people do not undergo mammograms unless they are over 40. Sometimes pregnant people who have suspicious breast symptoms or signs do undergo mammography. Your doctor will talk to you about the risks (adverse effects to the unborn child) and benefits (early diagnosis of a breast cancer) to help guide your decision. According to the American Cancer Society, it is fairly safe to have a mammogram during pregnancy because not very much radiation is used and it is focused on the breasts. A lead shield can be placed over the belly.^{[23]
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BreastCancer.org
Patient-focused nonprofit organization providing resources for those affected by breast cancer

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Breast cancer is the most common cancer found during pregnancy (1 in every 3000).^{[24]
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American Cancer Society
Nonprofit devoted to promoting cancer research, education, and support

Go to source} Therefore, any breast complaints during pregnancy such as a lump will be evaluated the same as if you are not pregnant.

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