Depending on the area to be imaged, you may be asked to wear a hospital gown at the time of the scan.
You may have to remove your jewelry and any metal objects which might interfere with the image.
Pregnant women should inform their doctor (and x-ray technician) as the radiations may affect the fetus. If needed, precautions can be taken to lower the radiation exposure to the fetus.
Inform your doctor and technician if you have any stents, implants or pacemakers in your body.