Table 2

Fetal radiation dose for the different ionizing radiation techniques (modified after7 9)

Imaging techniqueFetal radiation dose (mGy)
Chest X-ray<0.01
Mammography (two planes, bilateral)<0.01
CT of the head<0.005–0.5
CT of the chest0.001–0.66
CT of the abdomen/pelvis8–25
99mTc bone scintigraphy3.3
18F-FDG PET/CT10–50