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Updated: Nov 7, 2025

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
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Prenatal Bisphenol A Exposure and Early Childhood Behavior and Cognitive Function: A Chinese Birth Cohort Study

Zhaohui Huang1,2,3,4,5, Weinan Fu1, Lianjie Dou2

  • 1Department of Maternal, Child & Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.

Neuroendocrinology
|April 28, 2021
PubMed

Insights

Prenatal exposure to bisphenol A (BPA) is linked to behavioral and cognitive issues in preschool girls, including impaired self-control and conduct problems. Boys showed an increased risk of conduct problems, with specific age-related impacts on ADHD risk.

Area of Science:

  • Environmental Health
  • Developmental Pediatrics
  • Toxicology

Background:

  • Biomonitoring of bisphenol A (BPA) in human blood is limited.
  • Prenatal BPA exposure's impact on child neurodevelopment requires further investigation.

Purpose of the Study:

  • To examine associations between prenatal serum BPA concentrations and behavior/cognitive function in preschool children.
  • To identify potential sex- and age-specific effects of prenatal BPA exposure.

Main Methods:

  • Included 1,782 mother-child pairs from the China-Anhui Birth Cohort (C-ABCS).
  • Measured serum BPA concentrations and assessed child neurodevelopment using psychometric scales.

Main Results:

  • High prenatal BPA exposure was associated with increased risks of behavioral and cognitive impairments in girls, including conduct problems and ADHD.
  • Boys with high prenatal BPA exposure showed an increased risk of conduct problems.
  • Age-specific effects were observed, with increased ADHD risk in 3-year-olds exposed to high BPA.

Conclusions:

  • Prenatal BPA exposure has sex-specific and age-specific impacts on preschool children's cognitive and behavioral development.
  • Findings highlight the importance of monitoring BPA exposure during pregnancy.
Abstract

Keywords:
Birth cohortBisphenol AChildrenNeurodevelopmental impairments

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