Pesticide Residues in Mother’s Milk - Pesticides: Evaluation of Environmental Pollution - page 566

the selection of subjects, milk sampling and collection, and analytical methods, con-
clusions can be drawn about global patterns of contamination, trends over time, and
emerging hazards.
Good data on time trends and geographic patterns would aid in generating hypotheses
and would lead to more definitive studies. Such information would also provide a sound
basis for evidence-based public health policies. Without such data, it is difficult to provide
advice to health-care professionals and to new mothers on the potential risks and benefits
of breast-feeding. Another need is to study lactating women prospectively to determine
the rates of decrease in concentrations of chemicals over the course of lactation. It will
also be necessary to develop data that will permit comparison of breast milk contami-
nation levels with contaminant levels associated with other infant food sources, such as
infant formula and cow's milk. Such data will permit us to compare the risks associated
with each source of infant nutrition. A centralized database for chemical residue data and
standardized analytical procedures may be needed to improve the ability to characterize
chemical exposures. Frequent and continuous monitoring of these pesticides will help to
take precautions in consuming food of animal origin, fish, vegetables, fruits, and grains
from contaminated areas.
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