Know Your Risk, Catch It Early: A Breast Health Guide for Women
Every October, pink ribbons remind us to think about breast cancer. But awareness is only the first step. The next two are understanding your own risk and knowing how to catch breast cancer early, when it's most treatable.
Knowing your risk isn't about being afraid. It's about having the information you need to make good decisions with your provider.
Start With the Big Picture
About 1 in 8 women in the U.S. will be diagnosed with breast cancer in their lifetime. Being a woman and growing older are the two biggest risk factors, which is why breast health deserves your attention at every stage of life.
The good news: many risk factors are things you can learn about, and early detection gives you a powerful way to protect your health no matter what your risk looks like.
Why Early Detection Matters
When breast cancer is found early, while it's still confined to the breast, treatment is often less extensive, and outcomes are far better. According to the American Cancer Society, the five-year relative survival rate for localized breast cancer is about 99 percent. That number drops significantly when cancer is found after it has spread.
Early detection comes down to three things working together:
Regular screening mammograms, which can find cancer before you can feel anything
Breast self-awareness, so you notice changes that appear between screenings
Prompt follow-up when something doesn't seem right
Screening: What to Know
A mammogram is an X-ray of the breast that can detect cancer years before a lump is noticeable. Recommendations vary slightly between organizations, but in general:
The U.S. Preventive Services Task Force recommends mammograms every two years for women ages 40 to 74.
The American Cancer Society says women can begin yearly screening at 40, should start by 45, and may switch to every two years at 55.
Women at higher risk may need to start earlier, screen more often, or add other imaging such as MRI.
If you're under 40, this is a good time to talk with your provider about your personal risk and when your screening should begin. If you're 40 or older, ask whether you're due.
Many women put off mammograms because of discomfort, cost, or a busy schedule. A mammogram takes about 20 minutes, and the pressure lasts only a few seconds per image. Scheduling it can be one of the most valuable things you do for your health this year.
Know Your Normal: Breast Self-Awareness
A self breast exam helps you understand what's normal for your body, so you can spot changes early. There's no special training required. Here's a simple way to do it:
Stand in front of the mirror.
Look for changes in the size, shape, or skin of your breasts.
Raise your arms overhead and look again.
Look for nipple fluid or discharge.
Lie down and feel your breasts.
Use the tips of your middle fingers to feel the tissue.
Use small circular motions, covering the whole breast and the underarm area.
Picking a date you'll remember each month, like the first, can help make it a habit. If you still have periods, a few days after your period ends is often a good time, since breasts tend to be less tender.
Family History: What Counts and What Doesn't
Many women assume that no family history means no risk. In reality, most women diagnosed with breast cancer have no close relatives with the disease. At the same time, family history can raise your risk, especially if:
A mother, sister, or daughter had breast cancer, particularly before age 50
Several relatives on the same side of the family had breast or ovarian cancer
A relative had breast cancer in both breasts
A male relative had breast cancer
Family members had pancreatic or prostate cancer, which can be linked to inherited gene changes
Talk with relatives, including your father's side of the family, which is often overlooked. Write down who had which cancer and at what age. A family history raises the stakes for early detection, because it may mean you should begin screening sooner or use additional tests.
Dense Breast Tissue: A Risk and a Screening Challenge
Breast density describes how much of your breast is made of glandular and fibrous tissue compared with fat. It has nothing to do with how your breasts look or feel, and you can only learn your density from a mammogram. About half of women over 40 have dense breasts.
Dense tissue matters for two reasons:
It is linked to a somewhat higher risk of breast cancer.
It can make mammograms harder to read, because dense tissue and tumors both appear white on the image.
Since 2024, mammography facilities in the U.S. have been required to notify patients about their breast density in their results letter. If your letter says your breasts are dense, don't panic. Ask your provider whether additional screening, such as ultrasound or MRI, makes sense for you. That decision depends on your overall risk, not density alone.
Lifestyle Factors: What You Can Influence
You can't change your age or your genes, but some factors are within your control. Research links a lower risk of breast cancer with:
Regular physical activity. Aim for movement most days of the week, in whatever form you enjoy.
Limiting alcohol. Risk goes up with the amount you drink, and less is better.
Maintaining a healthy weight, especially after menopause.
Not smoking.
Talking openly about hormone therapy. If you're considering or already using hormone therapy, your breast health is part of that conversation. See the section below.
Healthy habits don't guarantee you'll never develop breast cancer, and a diagnosis is never anyone's fault. But these choices support your overall health in many other ways, too.
Breast Health During Perimenopause and Menopause
Hormone shifts during perimenopause and menopause can bring breast tenderness, lumpiness, or changes in density. These changes are often normal, but they're a good reminder to stay in tune with your body and keep up with screening.
If you're using hormone therapy or thinking about it, breast health is part of that conversation. A few simple steps go a long way:
Keep up with your mammograms on the schedule your provider recommends.
Let your imaging team know you're on hormone therapy, since it can affect breast density.
Report any new lumps or changes promptly.
Review your plan with your provider at least once a year.
Dr. Wohlfeil and her team can help you weigh the benefits and risks of hormone therapy based on your symptoms, health history, and family history.
When to Consider Genetic Counseling
Only about 5 to 10 percent of breast cancers are linked to inherited gene changes, such as BRCA1 and BRCA2. But for women who carry them, knowing can change screening and prevention options in meaningful ways, including starting screening earlier and adding MRI.
It may be worth asking about genetic counseling if:
You or a close relative was diagnosed with breast cancer at age 50 or younger
You have had triple-negative breast cancer
Multiple relatives have had breast, ovarian, pancreatic, or prostate cancer
A relative has a known BRCA or other gene mutation
You have Ashkenazi Jewish ancestry
A genetic counselor can explain what testing can and can't tell you, what the results might mean for you and your family, and what your options would be. Testing is always your choice, and talking with a counselor doesn't commit you to anything.
Turn Knowledge Into a Plan
Here is a simple way to put this into action this month:
Check the date of your last mammogram and schedule one if you're due.
Gather your family health history and write it down.
Ask about your breast density if you've had a mammogram.
Request a personal risk assessment from your provider. Tools exist that estimate your risk using your age, history, and other factors.
Get to know your normal, and call your provider promptly about any new changes.
Encourage the women in your life to do the same. A text to a sister, friend, or daughter could be the nudge that gets someone screened.
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