Posted by: Indonesian Children | August 12, 2009

Breastfeeding: Chemical Concentrations Do Not Decrease During Lactation

source : ScienceDaily (July 16, 2009)

A new study 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.

This new finding also challenges the idea that early milk should be pumped and discarded as a means of reducing infant exposure to persistent organic pollutants, which can accumulate in a mother’s fat stores over her lifetime and be mobilized during lactation.

First author Judy S. LaKind and colleagues found that partitioning of chemicals between serum and human milk was complex and related to chemical class. The authors suggest that the milk/serum ratios determined by this research be used to evaluate infant exposure if only serum data are available. They also recommend that additional studies that include a larger cohort be conducted to confirm these results.

“This is the first study to provide data based on simultaneous sampling of breast milk and blood at separate times during lactation,” wrote the authors.

Support for this research was provided in part by the Research Foundation for Health and Environmental Effects, Arlington, VA.


Journal reference:

  1. LaKind et al. Do Human Milk Concentrations of Persistent Organic Chemicals Really Decline During Lactation? Chemical Concentrations During Lactation and Milk/Serum Partitioning. Environmental Health Perspectives, 2009; DOI: 10.1289/ehp.0900876
Adapted from materials provided by Environmental Health Perspectives (NIEHS), via Newswise.

Supported  by

INDONESIA BRESTFEEDING NETWORK

Breast is the Best ! What could be more natural?

Yudhasmara Foundation

Office ; JL Taman Bendungan Asahan 5 Jakarta Indonesia 10210

phone : 62(021) 70081995 – 5703646

https://supportbreastfeeding.wordpress.com/

 

editor in Chief :

WIDODO JUDARWANTO

email : judarwanto@gmail.com 

 

 

 

Information on this web site is provided for informational purposes only and is not a substitute for professional medical advice. You should not use the information on this web site for diagnosing or treating a medical or health condition. You should carefully read all product packaging. If you have or suspect you have a medical problem, promptly contact your professional healthcare provider. 

Copyright © 2009, Indonesia Breastfeeding Networking  Information Education Network. All rights reserved.


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