evidence: "Breast calcifications are pretty common, but most people don’t know they have them unless they have been mentioned on prior mammogram reports," says Mark Dryden, M.D. [...] The best way to be aware of them is to schedule regular screening mammograms based on your individual risk. Women at average risk of developing breast cancer should get a mammogram every year starting at age 40. "Talk to your doctor about your individual risk to get the recommended screening schedule for you," Dryden says.