Table 1. PCB congener concentrations (µg/L) in serum sampled from pregnant rats (E19) exposed to 6 mg/kg/day A1254.

Group	PCB 101	PCB 118	PCB 153	PCB 138	PCB 180
A1254	34.5±3.6***	161.8±11.8***	165.8±12.1***	262±18.0***	41.2±3.1***
Control	≤0.5	≤0.2	≤0.2	≤0.2	≤0.2

Data are mean ± SEM.

***P<0,001, versus control group.