Radiation Dosimetry in Pregnant or Potentially Pregnant Patient (8)
Fetal dose | ||||
---|---|---|---|---|
Stage of gestation | mGy/MBq | rad/mCi | mGy | rad |
99mTc-HMPAO | ||||
Early | 0.0087 | 0.032 | 3.2–9.7 | 0.32–0.97 |
3 mo | 0.0067 | 0.025 | 2.5–7.4 | 0.25–0.74 |
6 mo | 0.0048 | 0.018 | 1.8–5.3 | 0.18–0.53 |
9 mo | 0.0036 | 0.013 | 1.3–4.0 | 0.13–0.40 |
99mTc-DTPA | ||||
Early | 0.012 | 0.044 | 6.7–8.9 | 0.67–0.89 |
3 mo | 0.0087 | 0.032 | 4.8–6.4 | 0.48–0.64 |
6 mo | 0.0041 | 0.015 | 2.3–3.0 | 0.23–0.30 |
9 mo | 0.0047 | 0.017 | 2.6–3.5 | 0.26–0.35 |