Mammogram: Mammogram is a special X-ray of the breast used to detect breast cancer early. There are few risks associated with mammography. Mammograms may show suspicious areas of the breast, white spots, and microcalcifications. Risk factors for breast cancer include age, genetic predisposition, family history, medical history, fibrocystic breast disease, therapeutic radiation exposure, menstrual cycle, previous pregnancies, hormone therapy for menopause, oral contraceptive use, breastfeeding, alcohol, smoking, obesity, and lack of physical activity.