What breast self-awareness means

Breast self-awareness is a broader, flexible approach to breast cancer prevention that involves staying familiar with how breasts look and feel. It is intended to work alongside other early detection steps such as regular mammograms, rather than replacing them.

Doctors and cancer organizations describe breast self-awareness as an alternative to the kind of monthly, methodical self-exams that focus on regularly checking for changes while pressing on the breast or doing so while lying down. The shift away from monthly self-exams is linked to evidence that the approach did not add cancer-finding benefits when people also followed other preventive measures.

Why the approach changed

Two decades ago, the American Cancer Society stopped recommending self-exams for people with average breast cancer risk, according to the AP report. The society cited a lack of strong evidence that monthly self-exams helped when patients were already taking other preventative measures such as regular mammograms. The report also said the monthly checks made some patients anxious about every change, particularly for people with dense or naturally bumpy breast tissue.

Dr. Arif Kamal, the American Cancer Society’s chief patient officer, described the rationale in the report with a teaching example: “Let’s say you bring 100 women into an auditorium and you teach them how to do it, and then they go home and do it. We don’t find any more cancers than if all of those women had mammograms according to our guidance,” Kamal said.

How many people could be diagnosed

The American Cancer Society projected that in 2026, over 300,000 U.S. women and about 2,600 men would be diagnosed with invasive breast cancer. The report said awareness is meant to help people notice breast changes between screenings or before they are old enough to qualify for regular screening.

How to practice it day to day

The point of breast self-awareness is to “know what your breasts normally look and feel like. And if something changes and you have a new lump or a new thickening, you could bring it to a doctor’s attention,” said Dr. Shari Goldfarb of Memorial Sloan Kettering Cancer Center.

Unlike monthly self-exams, breast self-awareness has no set routine. Instead, experts describe it as a general practice that integrates into daily life, such as noticing a change in the shape of a breast while putting on a sports bra to exercise, or feeling pain when lying down for bed.

Dr. Megan Schneiderman of Mount Nittany Health in Pennsylvania said patients sometimes bring up shifts they noticed when looking in the mirror, and sometimes their partner was the one who noticed. She added the goal is reassurance: “is to try to make things a little less scary for patients,” Schneiderman said.

What changes to look out for

The report said people should pay attention to changes beyond lumps, including an inverted nipple, nipple discharge, skin dimpling, changes in breast size, skin redness, and constant pain from a single area. If something feels off, experts said, people should call a doctor to get it checked out.

Managing anxiety while still getting checked

Experts said checking for changes can trigger anxiety about whether every new development could be cancer. They emphasized that most lumps are not cancer and can reflect normal breast fluctuations or benign cysts, but said it is still important to have a change assessed—especially if it persists or worsens.

Dr. Pouneh Razavi, a breast radiologist with Johns Hopkins Medicine, said, “You definitely want to have it assessed, but do not worry unless there’s a reason to worry.” She said most lumps aren’t cancer, while adding that it remains important to check to be safe.

Breast self-awareness does not replace screening

The report said breast self-awareness is not protective enough on its own and people should maintain a screening schedule. It described mammography recommendations as yearly or every other year starting at age 40 or 45, as recommended by the U.S. Preventive Services Task Force and the American Cancer Society.

For people at higher risk—such as those with a family history, genetic mutations, or dense breasts—the report said screening may start earlier, follow a different schedule, or include additional imaging.

Razavi said the practice is about self-knowledge: “It’s just about really knowing yourself and recognizing if something changes,” she said.