Prevention can even start at home with a monthly self-check. Also knowing your family history is important in learning and assessing possible risks. Depending on your family history or your age, you can start talking to your doctor about mammograms; when you should start receiving them and how often. The passing of the Affordable Care Act covers mammograms for women over 40. 40 is also the age when most women should begin talking to their doctor about breast cancer, especially if there is a history of breast cancer in your family.