Radiobiology > In Utero Exposure > Carcinogenesis Risk

Carcinogenesis Risk

Fetal exposure to a dose under 50 mGy (<5 rads) is currently regarded as reasonably safe.  

At a dose of 50 mGy, there is approximately

  • 0.2-0.8% excess risk of inducing cancer during childhood and 
  • <1% risk of fetal death.

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