Foetal Radiation Dose and Risk from Diagnostic Radiology Procedures: A Multinational Study

Table 6

Foetal dose-averaged and risk of childhood cancers and hereditary effects for the 367 foetuses exposed during diagnostic radiology examinations of their mothers.

Foetal dose-averaged	No. of foetuses	Risk of childhood cancer	Risk of hereditary effects
<0.1	166	<1 in 125000	<1 in 2000000
0.1–<1	119	1 in 125000–<1 in 12500	1 in 2000000–<1 in 200000
1–<10	66	1 in 12500–<1250	1 in 200000–<1 in 20000
10–<50	16	1 in 1250–<1 in 250	1 in 20000–<4000