TABLE 3

Dose Estimates to Fetus for 99mTc-RBCs (133)

Stage of gestationFetal dose
mGy/MBqrad/mCi
Early0.00680.025
3 mo0.00470.017
6 mo0.00340.013
9 mo0.00280.010
  • Dose estimates for in vivo or in vitro labeling are only slightly different. The slightly higher values for in vitro labeling are presented here.