Page 150 - Radiation Safety
P. 150
Exposure to Zygote of pregnant women (1)
• Exposure of embryo aged 8 days - death & miscarriage. Estimated
risk is 100% at 1 Sv
• Embryo aged 9-15 days - mental retardation & physical disability.
Estimated risk is 50% per every Sv
• Exposure of fetus aged 8-15 weeks - reduction of IQ at the rate of
30 points per every Sv
• Exposure of fetus to radiation at 16 weeks & above - disturbance
of growth of child, increase risk of leukemia/tumor/cancer.
Estimated risk of 2% for each Sv
• Risk faced by children to cancer as a result of continuos exposure
-2
is estimated to be 2.8x 10 per Sv
