Recommended Action, Age & Frequency
Breast self-examination
By age 20, monthly
Clinical breast examination
Start at age 20, at least every 3 years. After age 40, annually
Mammography screening
Baseline at age 35, annually at age 40
Additional or earlier exams
Women under age 40 who are at an increased risk due to family history, genetics, and other concerns about breast cancer should talk with their doctors about when to begin mammography screening.