
How Do I Know if I Have Breast Cancer?The most effective way to detect breast cancer is by mammography, and a clinical breast exam can complement mammography screening. But medical organizations don't agree on the recommendation for breast self-exams, which is an option for women starting in their 20s. Doctors should discuss the benefits and limitations of breast self-exams with their patients.Breast Self-ExamIf you decide to do breast self-exam