Which trimester poses the greatest fetal risk from radiation to the uterus in excess of 150 mGy-t (5 rad)?
A) First trimester
B) Second trimester
C) Third trimester
D) All of the above

Question

Quizplus · Accepted Answer

According to the National Council on Radiation Protection and Measurements (NCRP), studies of women exposed to radiation as a result of diagnostic and therapeutic procedures confirm that radiation to the uterus in excess of 150 mGy-t (5 rad) is cause for concern, with the greatest risk occurring in the first three months of pregnancy.

Which Trimester Poses the Greatest Fetal Risk from Radiation to the Uterus