Dose Estimates to Fetus for 99mTc-RBCs (136)
| Stage of gestation | Fetal dose | |
|---|---|---|
| mGy/MBq | rad/mCi | |
| Early | 0.0070 | 0.030 |
| 3 mo | 0.0055 | 0.020 |
| 6 mo | 0.0040 | 0.015 |
| 9 mo | 0.0033 | 0.012 |
Dose estimates for in vivo or in vitro labeling are only slightly different. The slightly higher values for in vitro labeling are presented here.