Abstract PF.31 Table
| Centre | Maternal Hair Geometric mean(range) Ppm (parts per million) | Fetal Hair Geometric mean (range) ppm |
|---|---|---|
| Hull (United Kingdom) | 1.5 | 1.4 |
| Unleaded petrol | (0.41-5.44) | (0.26-5.9) |
| N=26 | N=22 | |
| Ibadan | 33.2 | 1.5 |
| (Nigeria) | (0.76-355.4) | (0.98-3.6) |
| Leaded petrol | N=13 | N=10 |
| Khartoum | 14.4 | 1.2 |
| (Sudan) | (3.3-195.8) | (0.48-11.9) |
| Unleaded petrol | N=24 | N=23 |
| Cape Town A | 5.1 | 0.24 |
| (South Africa) | (0.20-44.0) | (0.01-3.04) |
| Leaded Petrol | N=30 | n=27 |
| Cape Town B | 3.8 | 0.73 |
| (South Africa) | (0.70-14.6) | (0.24-8.5) |
| Transition to Unleaded Petrol | N=30 | N=25 |