Serum BPA mean concentrations (± standard deviation) in dams at GD12, 72 hours after Alzet pump implantation on GD9 (LOD: limit of detection = 0.3 µg/L; LOQ: limit of quantification = 0.9 µg/L.)

†Instrument generated values were used for this calculation even if they were below the LOD.† 即便仪器生成的数值低于检测限（Limit of Detection, LOD），仍将其用于本次计算。