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[Foreign substances in maternal milk].

L Zahradnícek, J Jodl, J Sevcík

    Ceskoslovenska Pediatrie
    |February 1, 1989
    PubMed
    Summary
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    Human milk in Czechoslovakia contained hexachlorobenzene, DDE, polychlorinated biphenyls, lead, and cadmium. These contaminants were detected in all samples, highlighting potential risks associated with breastfeeding.

    Area of Science:

    • Environmental Toxicology
    • Human Physiology
    • Public Health

    Context:

    • Persistent organic pollutants and heavy metals are environmental contaminants of concern.
    • Human milk is a primary source of nutrition for infants and can reflect maternal exposure.
    • Assessing contaminant levels in human milk is crucial for evaluating infant exposure and health risks.

    Purpose:

    • To quantify levels of hexachlorobenzene, DDE, polychlorinated biphenyls, lead, and cadmium in human milk specimens.
    • To compare contaminant levels with existing data and hygienic standards.
    • To discuss the implications of these findings for breastfeeding practices and public health recommendations.

    Summary:

    • 72 human milk specimens from 1984-1985 were analyzed for hexachlorobenzene, DDE, and polychlorinated biphenyls (PCBs).

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  • 69 specimens were tested for lead and cadmium.
  • All samples were positive for all tested contaminants, with specific residual levels reported for each.
  • Lead was found in 94.2% and cadmium in 98.6% of the milk specimens.

    • Impact:

    • The study highlights the ubiquitous presence of environmental contaminants in human milk.
    • Findings raise concerns about potential infant exposure to these substances through breastfeeding.
    • The authors advocate for continued breastfeeding while emphasizing the need for prolactation programs and awareness of occupational exposure risks.