You may feel a little discomfort for a few seconds. X-rays will be taken. One will be taken from the top. Then one will be taken from the side. Your other breast will be X-rayed the same way.
Results are usually ready in a few days.
Sometimes mammograms need to be done again. Early treatment saves lives. Mammograms often find breast cancer very early. Radiation carries a small risk of causing cancer. Ask your health-care provider about the benefits and risks of mammography.