Table 2.

Prenatal creatinine-standardized urinary BPA concentrations (μg/g).

Collection time	n	Geometric mean (95% CI)	Percent > LODa
16 weeks gestation		363		1.9 (1.7, 2.1)		89.8
26 weeks gestation		353		2.2 (2.1, 2.4)		90.4
Birth		330		2.0 (1.9, 2.2)		87.6
Mean prenatal		365		2.4 (2.3, 2.6)		100
aLOD = 0.4 μg/L.