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Unique Issues for Young Women with Breast Cancer



Young Women & Breast Cancer
Fact Sheet


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View additional Susan G. Komen® educational materials for young women about breast cancer.   

Breast cancer is rare in young women. Fewer than five percent of all breast cancers diagnosed in the U.S. occur in women under 40 [1].  

A breast cancer diagnosis can be especially shocking and challenging for young women. At a time in life most often reserved for family and career, issues of treatment, recovery and survivorship suddenly take top priority.  

Prognosis for young women

With treatment, the chances of survival for young women diagnosed with early breast cancer are good. However, prognosis tends to be worse in women under 40 than in older women. Breast cancers in younger women are more likely to be fast-growing, higher grade and hormone receptor-negative [130]. Each of these factors makes breast cancer more aggressive and more likely to require chemotherapy [130].  

Breast cancer treatment for young women

Age and breast cancer treatment

Age itself does not greatly affect breast cancer treatment. Treatment options are based mainly on cancer stage and tumor characteristics, such as hormone receptor status and HER2/neu status.  

Age may play a role in the choice of certain treatment options over others. For example, younger women may be more likely to prefer lumpectomy (also called breast conserving surgery) over mastectomy

Menopausal status and breast cancer treatment

Menopausal status is important for some breast cancer treatments. For example, aromatase inhibitors are only used to treat postmenopausal breast cancer and are not an option for premenopausal women. Younger women who go into early menopause because of chemotherapy should take tamoxifen until there is no chance they are still premenopausal.  

Learn more about factors that affect treatment options.   

Treatment options for non-invasive and invasive breast cancers

To learn more about treatment options, visit the pages below:

Finding clinical trials for young women with breast cancer in collaboration with Susan G. Komen® offers a custom matching service. This matching service can help you find a clinical trial recruiting young women with breast cancer or a clinical trial for fertility preservation. You can also visit the National Institutes of Health's website to find a clinical trial.  

Learn more about clinical trials.  

 Komen Perspectives  

Read our perspective on clinical trials (July 2012).*  

Breast cancer treatment and fertility

A main concern for young women being treated for breast cancer is loss of fertility. Chemotherapy can damage the ovaries, and both chemotherapy and tamoxifen can cause irregular periods or stop periods altogether.  

With tamoxifen, regular periods should return after treatment ends. However, even in women whose periods return, treatment can shorten the window of time to have children. Because of the danger of birth defects, women should not become pregnant while taking tamoxifen [14]. Tamoxifen is often taken for many years and over this treatment time, natural fertility may have begun to decline.  

With chemotherapy, it is more likely the loss of periods will be permanent. (Certain chemotherapy combinations are less likely to cause permanent menopause than others.) Women younger than 40 at the time of treatment are more likely than older women to have their periods return after chemotherapy. The risk of permanent menopause increases with age.  

Both tamoxifen and chemotherapy tend to bring on natural menopause earlier than normal, especially among women who are younger than 40 during treatment [131]. This further limits time for pregnancy and childbirth.

Preserving fertility during breast cancer treatment

Storing embryos

There are steps you can take before treatment begins to help preserve your ability to have children. Storing embryos before treatment is one option. In this procedure, eggs are collected over a number of menstrual cycles, fertilized and frozen. After treatment, the embryos can be thawed and implanted into the uterus.  

This procedure has a good rate of success, but it also has some down sides. Breast cancer treatment may be delayed while eggs are collected, and a sperm donor is needed to fertilize the eggs before they are stored [132].  

Unfertilized eggs (which do not require a sperm donor) can also be frozen and stored. However, this method is less likely to result in pregnancy compared to storing fertilized eggs [133]. If a sperm donor is available, it is better to store fertilized eggs [133].  

Protecting the ovaries during treatment

Chemotherapy attacks fast-growing cells. These include not only cancer cells but also cells in other parts of the body, like the ovaries. Drugs like goserelin (Zoladex), leuprolide (Lupron) and triptorelin can shut down the ovaries during chemotherapy, which may protect them from damage and lower the chances of early menopause [134].  

More studies are needed to know if these drugs truly protect the ovaries and speed a return to regular periods. It is also unclear if these drugs affect prognosis.

Talking with a fertility specialist

If you wish to have a child after treatment, talk to your health care provider (and if possible, a fertility specialist) before making treatment decisions and discuss your options. Meeting with a fertility specialist as early as possible (before surgery) offers the widest range of options.

Clinical trials for fertility preservation

Research is ongoing to improve fertility preservation. New methods are being studied in clinical trials. After discussing the benefits and risks with your health care provider (and if possible, a fertility specialist), you may want to consider joining a clinical trial on fertility preservation. in collaboration with Susan G. Komen® offers a custom matching service that can help you find a clinical trial for fertility preservation. You can also visit the National Institutes of Health's website to find a clinical trial.

Komen Perspectives 

Read our perspective on fertility issues and pregnancy after breast cancer treatment (January 2012).* 

Insurance and financial assistance for fertility services

Insurance coverage for fertility services varies widely. Check with your insurance provider to find out which procedures are covered in your policy.  

Organizations such LIVESTRONG Fertility (formerly known as Fertile Hope) can provide financial assistance when insurance providers do not cover these services.

Fertility resources

Some organizations offer many fertility resources for breast cancer survivors. For example, the LIVESTRONG Foundation has an online tool to help you learn more about your fertility options and a guide to help you find resources such as sperm banks, donor egg services and adoption agencies in your area. They also offer telephone counseling on fertility issues.

Young breast cancer survivors

The prospects are very good for young women with breast cancer. With treatment, most women can expect to live for many years.

Support for young breast survivors and their families

Social support is important for young breast cancer survivors and their loved ones, especially spouses, partners and children.  

Learn more about social support for breast cancer survivors.  

Learn more about social support for spouses, partners and other family members.  

Learn more about social support for children.  

 Komen Support Resources  

  • Our breast care helpline 1-877 GO KOMEN (1-877-465-6636) provides free, professional support services and help finding local support groups and resources. Our trained and caring staff are available to you and your family Monday through Friday from 9:00 a.m. to 10:00 p.m. ET and from 6:00 a.m. to 7:00 p.m. PT. 
  • Our Message Boards offer online forums for breast cancer survivors, including a forum for young survivors, to share their experiences and advice with other breast cancer survivors.

*Please note, the information provided within Komen Perspectives articles is only current as of the date of posting. Therefore, some information may be out of date at this time.  

Updated 04/28/14

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