The limits for individuals under 18 years of age are 10% of the adult limits. Limits for the Embryo/Fetus of Declared Pregnant Workers. A number of studies indicate that the risks associated with radiation exposure to the embryo/fetus are greater than those to adults (see . Apr 29, · Although radiation doses to a fetus tend to be lower than the dose to the mother, due to protection from the uterus and surrounding tissues, the human embryo and fetus are sensitive to ionizing radiation at doses greater than gray (Gy).File Size: KB.
Nov 15, · The exposure of a fetus to radiation is referred to as prenatal radiation exposure. This can occur when the mother's abdomen is exposed to radiation from outside her body. Also, a pregnant wo man who accidentally swallows or breathes in radioactive materials may absorb that substance into her facialxx.xyz Size: 66KB.