Maximum permissible radiation dose in pregnancy is:: (A) 0.5 rad., (B) 1.0 rad., (C) 1.5 rad., (D) 3.0 rad.
Answer is A. Ans. is 'a' i.e. 0.5 radRef. Diagnostic radiology and Imaging by K. Subbarao, Jaypee publication, Christensen's physics of diagnostic radiologyMaximum permissible radiation doseIs that dose which if received each year for a 50 year working lifetime would not be expected to produce any harmful effect?The maximum permissible dose for a pregnant woman is 0.5 rads in gestation periodAlso knowThe gestation period when the fetus is most sensitive to the effect of radiation -8-15 weeks of gestationThe'10 day rule'This rule advices that any x-ray examination involving the abdomen of a women of child -bearing age should be carried out within 10 days of the onset of menstruation.