Chemical Concentrations Do Not Decrease During Lactation

A study published 15 June 2009 ahead of print in the peer-reviewed journal Environmental Health Perspectives (EHP) suggests that lipid-adjusted concentrations of polybrominated diphenyl ethers, polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins and furans and organochlorine pesticides in women's blood serum and milk do not decrease during lactation as previously thought. This new insight should improve researchers' ability to assess infant exposures to environmental chemicals via breastfeeding.

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