Mammograms Are X-Ray Exams Of The Breast. They Are Most Often Used To Screen For Breast Cancer In Women Who Have No Symptoms Mammograms Have Proven Not Only To Saves Lives, But They Can Help Preserve A Quality Of Life 1 In 6 Breast Cancers Occur In Women Ages 40–49 3 Out Of 4 Women Who Receive A Breast Cancer Diagnosis Have No Prior Family History Of The Disease Women In Their 40s Account For 40 Of All The Years Of Life Saved By Mammography While A Mammogram May Be An Uncomfortable Screening, It Is A Life Saver.