A breast self-exam takes about five minutes and involves two parts: looking at your breasts in a mirror for visible changes, then feeling the entire breast area with your fingertips using three levels of pressure. The goal is to learn what’s normal for you so you can spot changes early.
One important note before you start: major medical organizations, including the American College of Obstetricians and Gynecologists, have shifted away from recommending formal, scheduled self-exams for average-risk women. Instead, they encourage “breast self-awareness,” meaning you know what your breasts normally look and feel like and report changes to your doctor. The techniques below are still the standard approach for checking your breasts thoroughly, whether you do it on a schedule or simply want to know how to check something that feels off.
When to Do It
If you menstruate, the best time is the week after your period ends. Hormone shifts during your cycle cause breast tissue to swell and feel tender, which can make normal tissue feel lumpy or sore. That swelling starts to go down once your period begins, so waiting until it’s over gives you the most accurate baseline. If you no longer menstruate, pick any consistent day each month, like the first of the month, so the habit sticks.
Step 1: Visual Check in the Mirror
Stand in front of a mirror with your shirt and bra off. You’ll look at your breasts in three positions: arms at your sides, arms raised overhead, and hands pressed firmly on your hips (which flexes your chest muscles). In each position, look for the same things:
- Skin changes: dimpling, puckering, or bulging in a new area
- Redness, rash, or thickening of the skin
- Nipple changes: a nipple that has recently become inverted (turned inward), or any change in its position or shape
- Asymmetry: most people have slightly uneven breasts, but a new or sudden difference in size or shape is worth noting
You’re looking for anything that’s different from the last time you checked, not for perfection. If your breasts have always been slightly asymmetrical, that’s your normal.
Step 2: Feel Your Breasts While Standing
Many people find this easiest in the shower. Wet, soapy skin lets your fingers glide smoothly, making it simpler to detect changes underneath. Raise the arm on the side you’re examining over your head. This spreads the breast tissue thinner across your chest wall so lumps are easier to feel.
Use the pads of your three middle fingers (not the tips) from the opposite hand. Press in small, overlapping circles about the size of a coin. At each spot, use three distinct levels of pressure:
- Light pressure: just enough to move the skin, checking the tissue closest to the surface
- Medium pressure: pressing into the middle depth of breast tissue
- Firm pressure: pressing down until you can feel your ribcage underneath
Cover the entire breast area. The tissue you need to check extends further than most people expect: from your collarbone at the top down to the bottom of your bra line, and from the center of your chest out to your armpit. The area that extends toward your armpit, sometimes called the tail of the breast, contains breast tissue that’s easy to overlook. After finishing the breast itself, feel around your armpit and just above your collarbone for any swollen nodes, which would feel like firm, marble-sized bumps.
Choosing a Pattern
Pick a systematic pattern so you don’t miss any area. The most commonly recommended approach is the vertical strip method: start at the armpit and move your fingers in small circles down to the bra line, shift over one finger-width, then move back up. Continue this lawn-mower-style pattern until you’ve covered from armpit to center of chest. Some people prefer a spiral that starts at the nipple and circles outward, or a wedge pattern like slicing a pie. The method matters less than being thorough and consistent every time.
Step 3: Feel Your Breasts While Lying Down
Lying down spreads breast tissue more evenly, which can make deeper lumps easier to find, especially if you have larger breasts. Place a pillow under your right shoulder and put your right arm behind your head. Use your left hand to examine the right breast with the same three-level pressure and pattern you used while standing. Then switch sides.
This position is particularly useful for checking the outer and lower portions of the breast, where tissue can feel thicker when you’re upright.
Squeeze the Nipple Gently
At the end of each breast exam, gently squeeze the nipple between your thumb and index finger to check for discharge. Any fluid that comes out on its own or with gentle pressure is worth paying attention to, particularly if it’s coming from only one breast. Discharge that is bloody, pink, or clear is considered more concerning. White, yellow, or green discharge is more often benign. That said, unilateral discharge (from one side only) should be evaluated regardless of color.
What Normal Tissue Feels Like
Breast tissue is naturally bumpy and uneven. Some people have lumpier breasts than others, and that’s completely normal. The key comparison is between your two breasts: if both sides feel similarly textured, that’s likely just your anatomy. You might feel rope-like ridges, especially along the lower curve of the breast, or small, round, movable areas that are fluid-filled cysts. These tend to shift under your fingers and may feel like a grape or pea.
What you’re watching for is something that feels distinctly different from the surrounding tissue. A cancerous lump typically feels hard, like a small rock, and often doesn’t move when you push on it. It may feel irregular in shape rather than smooth and round. But not all hard lumps are cancer, and not all cancers feel hard. The most reliable red flag isn’t any single texture. It’s change. Something new, something growing, or something that feels unlike everything else around it.
What to Do If You Find Something
Finding a lump or change doesn’t mean you have cancer. The majority of breast lumps turn out to be benign, caused by cysts, fibrous tissue changes, or hormonal fluctuations. But anything new or unusual should be evaluated.
Your doctor will typically start with a physical exam, then order imaging. For women under 35, an ultrasound is usually the first step because younger breast tissue is denser, which makes mammograms harder to read. After 35, a mammogram is the standard first imaging tool, often paired with an ultrasound for a more complete picture. If imaging raises questions, the next step is a core needle biopsy, where a small sample of tissue is taken for analysis. This is the gold standard for determining whether a lump is benign or needs treatment.
The entire process, from your appointment through biopsy results, typically takes one to two weeks depending on scheduling. Most people who go through this workup get reassuring news, but getting there promptly matters.