Table 1.
Items measured in the Hokkaido study on environment and children’s health
| Specimen | Measurement |
|---|---|
| Exposure measurement | |
| Maternal blood | PCB and dioxin; PCDD and PCDF (congeners) |
| OH–PCB (congener level) | |
| PFCs (PFOS, PFOA and other PFAAs) | |
| MEHP (phthalate metabolite) | |
| Chlorinated pesticides | |
| Cotinine | |
| Maternal hair | Me–Hg |
| Cord blood | BPA |
| Child urine | Cotinine |
| Phthalate and phosphate esters (7-year-old) | |
| House dust | Phthalate and phosphate esters (7-year-old) |
| Biochemical measurements | |
| Maternal blood | TSH, FT4, Folic acid, 11 Fatty acids |
| Cord blood | IgE, TSH, FT4, 9 Steroid hormones |
PCB polychlorinated biphenyls, PCDF polychlorinated dibenzofurans, PCDD polychlorinated dibenzodioxins, OH–PCB hydroxylated polychlorinated biphenyl, PFCs perfluorinated compounds, PFOS perfluorooctane sulfonate, PFOA perfluorooctanoic acid, PFAAs perfluoroalkyl acids, MEHP mono-2-ethylhexyl phthalate, Me–Hg methylmercury, BPA bisphenol A, TSH thyroid stimulating hormone, FT4 free thyroxine