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Prenatal phthalate exposure and language development in toddlers from the Odense Child Cohort

Trine Staak Olesen1, Dorthe Bleses2, Helle Raun Andersen1

  • 1Department of Environmental Medicine, Institute of Public Health, University of Southern Denmark, Odense, Denmark.

Neurotoxicology and Teratology
|December 5, 2017
PubMed

Insights

Prenatal phthalate exposure may negatively impact early language development in boys. This study found associations between higher phthalate metabolite levels and lower language scores in young males, highlighting potential health risks.

Area of Science:

  • Environmental Health
  • Developmental Psychology
  • Toxicology

Background:

  • Phthalates are common chemicals in consumer products with anti-androgenic properties.
  • Previous studies suggest links between prenatal phthalate exposure and offspring neuropsychological development.

Purpose of the Study:

  • To investigate the association between prenatal phthalate exposure and language development in children aged 20-36 months.

Main Methods:

  • Analyzed 3rd trimester urine samples from 518 pregnant women for phthalate metabolites.
  • Assessed child language development using the MacArthur-Bates Communicative Development Inventories.
  • Used logistic regression, stratified by sex, adjusting for confounders.

Main Results:

  • Phthalate metabolites were detected in all samples at lower levels than prior studies.
  • Increased prenatal phthalate exposure was linked to lower language development scores in boys.
  • Associations were observed for vocabulary and language complexity, but not in girls.

Conclusions:

  • Adverse associations between phthalate exposure and early language development were suggested even at low exposure levels.
  • Early language development is a predictor of later educational success, indicating potential long-term health relevance.
Abstract

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