Characteristics of Pregnant Patients with Observed Fetal Concentrations and Time-Integrated Activity
| Patient no. | Age (y) | Weight (kg) | Administered activity (MBq) | Stage of gestation | Average observed concentration in fetus (kBq/mL) | Volume (cm3) | Fraction | Time-integrated activity (Bq-h/Bq) |
| 1 | 30 | 67.6 | 583 | ∼6 wk | 16.8 | 124.1* | 0 | 0 |
| 2 | 27 | 87.8 | 200 | 18 wk | 1.98 | 86.9 | 0.00086 | 0.0023 |
| 3 | 22 | 67.1 | 337 | 25 wk | 3.96 | 717 | 0.0084 | 0.0223 |
| 4 | 34 | 81.8 | 174 | 28 wk | 2.31 | 535 | 0.0071 | 0.0187 |
| 5 | 27 | 88.6 | 229 | 30 wk | 2.86 | 1,573 | 0.0196 | 0.0518 |
| 6 | 37 | 58.9 | 181 | 23 wk | 2.56 | 552 | 0.0078 | 0.0206 |
↵* Only diffusely increased uptake in uterus was seen. Patients 2 and 5 are same patient (scanned twice during pregnancy).