Impact of In Utero DDE Exposure on Infant Development
Author Information
Author(s): Luisa Torres-Sánchez, Stephen J. Rothenberg, Lourdes Schnaas, Mariano E. Cebrián, Erika Osorio, Maria del Carmen Hernández, Rosa M. García-Hernández, Constanza del Rio-Garcia, Mary S. Wolff, Lizbeth López-Carrillo
Primary Institution: Instituto Nacional de Salud Pública, Morelos, México
Hypothesis
Does prenatal exposure to p,p′-DDE affect psychomotor and mental development in infants?
Conclusion
Prenatal exposure to DDE during the first trimester may negatively impact psychomotor development in infants.
Supporting Evidence
- Third-trimester DDE levels were significantly higher than earlier trimesters.
- Only first trimester DDE levels were linked to reduced psychomotor development.
- Breast-fed children had higher mental development scores than those who were not.
Takeaway
If a mom is exposed to certain chemicals during pregnancy, it might make it harder for her baby to move and learn when they are little.
Methodology
The study followed 244 children from uncomplicated pregnancies, measuring DDE levels and evaluating their development at various ages using the Bayley Scales.
Potential Biases
Potential biases may arise from self-reported data and the exclusion of certain children from the analysis.
Limitations
The study had a 27.5% attrition rate during pregnancy follow-up and did not account for all potential confounders.
Participant Demographics
Participants were women of reproductive age from Morelos, Mexico, with no chronic illnesses and not occupationally exposed to DDT.
Statistical Information
P-Value
0.02
Confidence Interval
95% CI, -0.96 to -0.075
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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