Before your exam, we will ask you: to inform us of any possibility of pregnancy to bring us the CD of images and the report of any x-rays of your spine that you may have had in another clinic during the 12 months preceding your appointment Here are the steps to follow to properly prepare for the exam: In the 14 days before your appointment, it is important to avoid any radiology or nuclear medicine examination requiring contrast media. Within 48 hours we will ask you to stop taking calcium tablets or vitamins that contain them (you may, however, drink and eat foods that contain calcium). Also, you will not be able to take your medications for osteoporosis. Before the exam, you will be able to eat normal meals.