Understanding Breast Health: What’s Normal, What’s Not, and the Importance of Regular Screenings

When it comes to breast health, understanding what’s normal and what’s not can bring a lot of peace of mind. Here, we’ll discuss the usual breast changes, factors influencing breast health, and what screening options are available. First and foremost, remember: there’s no “perfect” breast, regardless of what Hollywood may suggest. Breasts come in all shapes and sizes, and that diversity is perfectly normal! While we each have unique exteriors, internally, we share similar structures: a rib cage, muscles (pectoralis major and minor), and tissue layers, including fatty tissue, lobules, and ducts. Issues related to breast health often involve these areas.

Natural Breast Changes Over Time

Our breasts naturally evolve over the years, affected by age, hormones, and lifestyle factors. With age, skin elasticity and weight distribution can change, and hormonal shifts can impact breast tissue at different life stages—particularly during perimenopause, menopause, menstrual cycles, and pregnancy. Breast tissue responds to these hormones, which is why certain times of the month or life stages can bring fullness and tenderness, similar to teenage years.

Past breastfeeding experiences, weight changes, and hormonal fluctuations also play a role. Breastfeeding stretches breast skin, as do weight changes, which can sometimes lead to sagging. Hormone cycles also contribute to breast discomfort; hormone levels are lower at the beginning of the menstrual cycle and rise later, which can make the outer edges of the breasts more sensitive.

Tips for Supporting Breast Health

Healthy lifestyle choices are key for supporting breast health. Regular exercise can strengthen the muscles under the breasts for added support, and limiting tobacco and alcohol can reduce breast cancer risk. Generally, one drink a day is safe for low-risk women, but avoiding alcohol is recommended for higher-risk individuals. A balanced diet also helps, with the Mediterranean diet—a whole-food, fiber-rich option including healthy fats—shown to support breast health. If you’re considering a new diet, small changes are often easiest; adding nutrient-dense foods like chickpeas and blueberries, or aiming for one healthy meal a day, can be a manageable starting point.

Staying hydrated is also essential for skin elasticity, which supports the breast area. A well-fitting bra is beneficial as well, as it provides support without pressing uncomfortably on the skin. Look for a cup that fits smoothly, and make sure the underwire sits beneath the arms and the band stays level across the back. Some non-wired bras offer good support too, but avoid flimsy styles lacking structure.


Recognizing Other Breast Changes

Breast changes aren’t always negative or concerning. Implants, for instance, change breast anatomy, and sun exposure can affect the skin in the area. Common infections like mastitis and yeast infections can also occur; for example, a yeast infection may develop if the breast skin rests against the abdomen, creating a warm, dark, moist environment. In such cases, baby powder can help, but sometimes antibiotics are necessary.

Many women experience benign cysts, with about half reporting fibrocystic changes due to hormone-sensitive fluid sacs near the breast’s edges. These can swell and cause discomfort. Trauma, too, can cause temporary tenderness or bruising because of the breast’s vascular nature.


Debunking Common Breast Health Myths

Some common myths around breast health are worth addressing:

  1. Bras and Cancer: Wearing a bra, including underwire bras, does not cause cancer. So, wear one if it feels supportive for you.

  2. Implants and Cancer Risk: Implants don’t increase cancer risk, but they can make detection harder, which is why screenings are essential.

  3. Family History: While family history does elevate risk, most breast cancer cases occur in women without a family history.

  4. Deodorants and Cancer: Deodorants have no proven link to cancer.

  5. Breast Size and Cancer: Cancer risk isn’t affected by breast size; women with smaller breasts have the same need for mammograms

  6. Cancer Symptoms Beyond Lumps: While a lump is a common sign, skin changes, nipple discharge, or dimpling can also indicate issues. Generally, breast pain alone is not associated with cancer.

Dense Breasts and Screening Options

If you’ve been told you have dense breasts, know that it’s a common finding—about half of women in their 40s have dense breast tissue on mammograms. Dense tissue can make early cancer detection harder, but there are no strict guidelines on additional screening options yet. Some doctors may recommend mammograms alone, while others might suggest an MRI. If you’re unsure, it’s best to discuss options with your healthcare provider. For reliable breast health information about dense breasts, I recommend checking out densebreast-info.org.

For those curious about thermography, thermograms are FDA-approved for safety but aren’t recommended for cancer screening by major health organizations due to a lack of proven efficacy in early detection.

Next Steps After an Abnormal Mammogram

Receiving an abnormal mammogram result can be unsettling, but it often means the radiologist simply needs a clearer view. Diagnostic mammograms or ultrasounds can provide more detail, so an initial abnormal finding doesn’t necessarily mean cancer. If further testing is needed, a small percentage of cases proceed to biopsy, but keep in mind that only around 20% of biopsies indicate cancer. This information can be comforting as you navigate screening follow-ups.

Post-Cancer Care and Options for Hot Flashes

For those who’ve undergone breast cancer treatment, annual exams remain essential. If any breast tissue remains, mammograms may still be performed, and MRIs may be considered depending on individual cases. Hormone replacement therapy (HRT) is generally avoided after cancer due to potential risks, though newer medications for hot flashes and related symptoms are available.

I hope this overview offers clarity on what’s normal and provides some reassurance for maintaining breast health.

Dr. Eden Yelverton

Dr. Yelverton is a board-certified obstetrician and gynecologist in Lakewood Ranch, Florida.