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Orally
administered bisphenol A (10 ppm) appears immediately in maternal
blood and is transferred into the fetus. The concentration of BPA
in the fetus peaked within one hour after administration, reaching
11 ppb. in fetal blood.
This
paper suggests that BPA passes easily through the placental barrier,
bypassing protections that limit the impact of native estradiol
and phytoestrogens.
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