Table 2.
Typical average values and observed upper limits of the six neurotoxins monitored in blood samples from various pregnant women surveys, µg/L.
| MRL | Average (Maximum Value), Country | |||||
|---|---|---|---|---|---|---|
| Al * | <6 | 65 (≤860) [121] Australia | 11 (≤28) [122] Jamaica | |||
| As | <12 | 0.4 (≤8.6) [123] USA | 1.9 (≤16) [121] Australia | 2.1 (≤37) [124] Croatia | 1.2 (≤33) [124] Italy | 0.6 (≤5.8) [125] Belgium |
| Pb | <50 | 8.9 (≤77) [123] USA | 29 (≤260) [126] Saudi Arabia | 45 (≤137) [127] China | 77 (≤287) [128] Mexico | 10 (≤22) [129] South Korea |
| Mn | <18 | 9.1 (≤50) [121] Australia | 15 (≤33) [130] USA | 12 (≤40) [125] Belgium | 66 (≤304) [131] China | 13 (≤34) [132] Canada |
| Hg | <3.5 | 8.0 (≤16) [133] Poland | 2.4 (≤40) [124] Italy | 3.7 (≤31) [134] Mexico | 0.9 (≤49) [135] Saudi Arabia | 11 (≤241) [136] North Canada |
| Se | 70–130 | 102 (≤374) [121] Australia | 117 (≤229) [124] Italy | 90 (≤182) [124] Croatia | 157 (≤456) [127] China | 271 (≤357) [136] North Canada |
MRL: Minimum risk level (not clearly defined at all for pregnancy and the fetus). Specific references are in squared parentheses. * No reliable data are yet available containing vaccine effects.