Table 1.

TCA concentrations (μg/mL) in maternal plasma during gestation and in fetal plasma at study termination

TCE exposure	Maternal plasma			Fetal plasma
	GD 8	GD 12	GD 21	GD 21
0 ppm	NDa	ND	ND	ND
0.25 ppm	ND	ND	ND	ND
1.5 ppm	ND	ND	ND	ND
500 ppm	1.71 ± 0.46	1.81 ± 0.88	1.11 ± 0.24	1.17 ± 0.27
1,000 ppm	1.70 ± 0.59	2.24 ± 0.62	1.165 ± 0.37	1.24 ± 0.43

Abbreviation: GD, gestational day; TCE, trichloroethylene.

^aND, not detected, < limit of quantitation (150 ng/mL).