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'No evidence' CT scans cause cancer in babies

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Researchers have found no clear evidence of an increased risk of cancer among babies exposed to radiation through maternal imaging procedures as foetuses, but say they cannot completely rule out a slight potential danger.

The Canadian study looked at 5,590 mother-child pairs exposed to computed tomography scans, which create 3-D images of the body’s insides using x-rays, and radionuclide imaging, under which a patient is injected with radioactive material and an image of their organs is created.

The report concludes that despite the size of the study they were unable to exclude the possibility of a very slight risk of up to 1.8 times that of an unexposed pregnancy.

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