Radiation Dosimetry in Fetus/Embryo: 123I-NaI
| Fetal dose | ||
| Stage of gestation | mGy/MBq | rad/mCi |
| Early | 0.020 | 0.074 |
| 3 mo | 0.014 | 0.052 |
| 6 mo | 0.011 | 0.041 |
| 9 mo | 0.0098 | 0.036 |
Dose estimates to fetus were provided by Russell et al. (30). Information about possible placental crossover of this compound was available and was used in estimating fetal doses.