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Breast Self-exam (BSE)

by Mary Calvagna, MS

Home | Health Information Center | Wellness Centers | Women's Health | Article

What Is a Breast Self-exam?

Steps for a Breast Self-exam

En Español

What Is a Breast Self-exam?

A breast self-exam (BSE) is a step-by-step examination of your breasts that you do yourself. It is one tool that can be used to help detect changes in your breasts that might be a sign of cancer. It is a way for you to notice any changes, lumps, or abnormalities in your breasts. It is also a chance for you to become familiar with what is normal for your breasts.

The American Cancer Society (ACS) recommends that all women aged 20 years and older talk to their doctor about the benefits, harms, and limitations of breast self-exams. While BSE continues to be widely promoted, there is no evidence showing a decrease in death among women who do these self-exams. Women can choose to do BSE regularly, occasionally, or never. However, even if you never do a step-by-step self exam, you should still be familiar with your body and report any changes to your doctor.

If you and your doctor decide you will do breast self-exams, here is the best way to go about doing it. Do your breast self-exam when your breasts are not swollen or tender. Follow these guidelines from the ACS:

Steps for a Breast Self-exam

Lie down with a pillow under your left shoulder. Place your left arm behind your head.
Use the finger pads of your right hand to feel for lumps in your left breast. Move the finger pads in little circles to feel for any lumps.
Use varying levels of pressure to feel the breast tissue:
- Light pressure to feel tissue beneath the skin
- Medium pressure to feel deeper tissue
- Firm pressure to feel tissue near the chest and ribs
A firm ridge in the lower curve of each breast is normal.
Move around the breast using a up and down pattern. Check the whole breast area—from the bottom of the breast up to the collar bone, as well as from the chest bone to the underarm.
Repeat the exam on your right breast, using the finger pads of your left hand.
Stand in front of a mirror so that you can clearly see both of your breasts. Press your hands firmly on your hips. Look for any changes in the size, shape, or contour of the breasts. See if the skin (including the nipple) has any puckering, dimpling, scaliness, or redness.
Lastly, check each underarm while you are sitting or standing. Raise your arm a little so that you can feel the underarm area. Note : If you raise your arm too high, it will be harder to feel this area.

Remember that breast changes are not always due to cancer. But, if you do notice lumps or other abnormalities, call your doctor right away.

If you are unsure as to whether you should do a BSE, talk to your doctor about the benefits and risks.

RESOURCES:

American Cancer Society
http://www.cancer.org

Women's Health—Office on Women's Health
http://www.womenshealth.gov

CANADIAN RESOURCES:

Canadian Breast Cancer Foundation
http://www.cbcf.org

Canadian Cancer Society
http://www.cancer.ca

References

American Cancer Society guidelines for breast cancer screening: update 2003. CA-A Cancer Journal for Clinicians. May/June 2003.

Breast awareness and self-exam. American Cancer Society website. Available at:
...(Click grey area to select URL)
Accessed January 26, 2016.

Breast cancer screening concepts. National Cancer Institute website. Available at:
...(Click grey area to select URL)
Updated January 8, 2016. Accessed January 26, 2016.

Last reviewed January 2016 by Michael Woods, MD
Last Updated: 3/11/2014

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