Breast Cancer Detection Plan . Beginning at age 20: Perform breast self-exams and look for any signs of change . At age 20 to 39: Schedule clinical breast exams every three years. . By the age of 40: Have a baseline mammogram and annual clinical breast exams . At ages 40 to 49: Have a mammogram every one to two years depending on previous findings. At ages 50 and older: Have a mammogram every year. . At all ages: Maintain a healthy weight, follow a low-fat diet, get regular exercise, quit smoking, and reduce alcohol consumption. a Lewis Family Drug 507-831-4161 599 2nd Avenue Windom