| Placenta Number | AIB level (mg/l) | Percent Maternal Uptake (Mean ± S. D.) | Uptake Ratio (Um/Uf) *(Mean ± S. D.) |
| CONTROL (n = 6) | |||
| 21 | 20 | 83 ± 4 | 4.2 ± 1.7 |
| 23 | 100 | 48 ± 43 | 3.7 ± 6.5 |
| 26 | 20 | 58 ± 3 | 1.4 ± 0.5 |
| 26 | 100 | 61 ± 4 | 1.6 ± 0.3 |
| 26 | 200 | 61 ± 5 | 1.6 ± 0.3 |
| 27 | 10 | 77 ± 2 | 3.3 ± 0.2 |
| **Mean ± S. E. | 75 ± 30 | 65 ± 5 | 2.6 ± 0.5 |
| ETHANOL (n = 10) | |||
| 13 | 40 | 76 ± 5 | 3.3 ± 1.0 |
| 22 | 20 | 75 ± 4 | 3.1 ± 0.8 |
| 22 | 100 | 68 ± 4 | 2.2 ± 0.4 |
| 23 | 100 | 61 ± 8 | 3.3 ± 5.2 |
| 28 | 20 | 73 ± 9 | 3.0 ± 1.0 |
| 31 | 100 | 66 ± 9 | 2.1 ± 0.8 |
| 34 | 10 | 59 ± 29 | 2.1 ± 1.3 |
| 35 | 10 | 76 ± 9 | 3.8 ± 2.0 |
| 35 | 40 | 55 ± 8 | 1.3 ± 0.4 |
| 36 | 10 | 49 ± 2 | 1.0 ± 0.1 |
| Mean ± S. E. | 45 ± 12 | 55 ± 3 | 2.5 ± 0.3 |
| P value | 0.30 | 0.84 | 0.84 |