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Associations of Prenatal Urinary Bisphenol A Concentrations with Child Behaviors and Cognitive Abilities.


ABSTRACT:

Background

Prenatal bisphenol A (BPA) exposure has been associated with adverse neurodevelopment in epidemiological studies. However, prior studies had limited statistical power to examine sex-specific effects, and few examined child cognition.

Objectives

We estimated the association between prenatal BPA exposure and child neurobehavior at 3 y of age in a prospective cohort of 812 mothers and their children.

Methods

We measured BPA concentration in urine samples collected at ?12 wk gestation among women enrolled in a 10-city Canadian cohort study. At approximately 3 y of age, we assessed children’s cognitive abilities with the Wechsler Primary and Preschool Scale of IntelligenceTM–III (WPPSI-III) and two scales of the Behavior Rating Inventory of Executive Function–Preschool (BRIEF-P). Parents reported children’s behavior using the Behavior Assessment System for Children–2 (BASC-2) and the Social Responsiveness ScaleTM–2 (SRS-2). We estimated covariate-adjusted differences in neurobehavioral outcomes with a doubling in BPA concentration and sex-specific associations.

Results

BPA was not associated with WPPSI-III scores; child sex did not modify these associations. The association between BPA and BRIEF-P scores was modified by child sex (BPA×sex?p-values?0.03). For example, a doubling of BPA concentration was associated with 1-point (95% CI: 0.3, 1.7) poorer working memory in boys and 0.5-point (95% CI: ?1.1, 0.1) better scores in girls. BPA was not associated with most BASC-2 scales; however, it was associated with more internalizing and somatizing behaviors in boys, but not in girls (BPA×sex p&-values?0.08). A doubling of BPA concentration was associated with poorer SRS-2 scores [?=0.3 ( 95% CI: 0, 0.7)]; this association was not modified by sex.

Conclusion

Prenatal urinary BPA concentration was associated with some aspects of child behavior in this cohort, and some associations were stronger among boys. https://doi.org/10.1289/EHP984.

SUBMITTER: Braun JM 

PROVIDER: S-EPMC5743534 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Publications

Associations of Prenatal Urinary Bisphenol A Concentrations with Child Behaviors and Cognitive Abilities.

Braun Joseph M JM   Muckle Gina G   Arbuckle Tye T   Bouchard Maryse F MF   Fraser William D WD   Ouellet Emmanuel E   Séguin Jean R JR   Oulhote Youssef Y   Webster Glenys M GM   Lanphear Bruce P BP  

Environmental health perspectives 20170616 6


<h4>Background</h4>Prenatal bisphenol A (BPA) exposure has been associated with adverse neurodevelopment in epidemiological studies. However, prior studies had limited statistical power to examine sex-specific effects, and few examined child cognition.<h4>Objectives</h4>We estimated the association between prenatal BPA exposure and child neurobehavior at 3 y of age in a prospective cohort of 812 mothers and their children.<h4>Methods</h4>We measured BPA concentration in urine samples collected a  ...[more]

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