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Environmental Assessment

Reporting Needs for Studies of Environmental Chemicals in Human Milk

Report Information

Studies of environmental chemicals in human milk have been carried out in many countries, but few have been conducted in the U.S. These studies are useful for monitoring populations trends in exposure to chemiclas, for research in the determinants of environmental chemicals in milk and relationships between the levels found and the health status of the women and their infants, and for risk assessment. The artcle provides paractical advice on data and information reporting for such studies. Participation in these studies comes at a difficult time for the breast-feeding mothers, so it is important that the mothers support the study and its goals. A key goal of any study of environmental chemicals in human milk must be to ensure tht the breast-feeding process is not disrupted by unwarranted concerns about harm to the infant from chemicals in human milk. Therefore it is essential that reporting of information be a two-way process. Information needs to be supplied to participating mother before, during and after their participation in the study. Information supplied before participation is necessary to satisfy the ethical requirements for informed consent, information supplied during paricipation includes advice on expressing, collecting, and storing milk samples, and how to avoid sample contamination; and information supplied to each participant at the end of the study includes a report of their individual results and a summary of study results and outcomes generally. The key instrument for obtaining data from the participants is the study questionnaire. This needs to be prepared in accordance with principles of good questionnaire development, and preferably should be interviewer administered. The questionnaire content will vary according to the objectives of the study. Although studies of environmental chemicals in human milk are logistically complex and demanding, they ar epracticable and , with careful planning and execution, yield imporant data.

Technical Information Staff
  • by phone at:   703-347-8561
  • by fax at:   703-347-8691
  • by email at:  nceadc.comment@epa.gov

Citation

BATES, M. N., S. G. SELEVAN, AND L. M. GARTNER. Reporting Needs for Studies of Environmental Chemicals in Human Milk. Judy S. LaKind (Guest Editor) (ed.), JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH - PART A: CURRENT ISSUES. Taylor & Francis, Inc., Philadelphia, PA, 65(22):1867-1879, (2002).

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