Pesticides: Toxic Legacy
2007

Impact of Prenatal Pesticide Exposure on Child Development

Sample size: 254 publication Evidence: high

Author Information

Author(s): Julia R. Barrett, Edward Levin, Theodore Slotkin, Virginia Rauh

Primary Institution: Duke University

Hypothesis

Does prenatal exposure to chlorpyrifos affect children's neurodevelopment?

Conclusion

Prenatal exposure to chlorpyrifos is linked to lower cognitive and motor skills in children.

Supporting Evidence

  • The study found that children with higher prenatal exposure to chlorpyrifos had lower scores on mental and motor indices.
  • Children exposed to chlorpyrifos showed more problems with attention deficits and hyperactivity.
  • Animal studies have shown that chlorpyrifos causes developmental neurotoxicity.

Takeaway

Kids who were exposed to a pesticide before they were born may have trouble thinking and moving as they grow up.

Methodology

The study followed a cohort of inner-city minority women and their children, collecting biological samples and conducting developmental tests.

Potential Biases

Potential confounding variables were controlled for, but extrapolating animal study results to humans can be challenging.

Limitations

The long-term effects of chlorpyrifos exposure in children are still unknown.

Participant Demographics

Inner-city minority women and their children born between February 1998 and May 2002.

Statistical Information

Statistical Significance

p<0.05

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication