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Related Experiment Video

Updated: Jul 5, 2026

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants

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Published on: March 6, 2018

Lead exposure during breastfeeding.

Jacquelyn Choi, Toshihiro Tanaka, Gideon Koren

Canadian Family Physician Medecin De Famille Canadien

|April 16, 2008

Summary

This summary is machine-generated.

Breastfeeding mothers concerned about lead in tap water can be reassured; studies show minimal risk to newborns. Switching to formula is not recommended due to potential lead contamination risks in improperly prepared formulas.

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Area of Science:

Environmental Health
Pediatrics
Public Health

Background:

Recent concerns regarding lead (Pb) contamination in public tap water supplies.
Potential health implications of environmental lead exposure for vulnerable populations, including newborns.

Purpose of the Study:

To assess the risks of lead exposure to newborns via breast milk from mothers consuming tap water.
To provide guidance on whether formula feeding is a necessary alternative for breastfeeding mothers concerned about lead exposure.

Main Methods:

Review of existing scientific literature and studies on lead exposure and breastfeeding.
Analysis of current regulatory standards and monitoring practices for lead in drinking water, particularly in Canada.

Main Results:

Available studies indicate no significant association between lead exposure from tap water and adverse effects in newborns through breastfeeding.
Environmental lead exposure levels in Canada are generally low.
Health Canada actively monitors lead levels in drinking water, ensuring they are typically not a concern for breastfeeding mothers.

Conclusions:

Continued breastfeeding is generally safe and recommended, even with concerns about lead in tap water.
Switching to formula feeding is not advised, as improper preparation can introduce higher lead levels.
Mothers should be reassured by current water quality monitoring and regulatory oversight.