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Updated: May 15, 2025

Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants
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Long-term Behavioral and Reproductive Consequences of Embryonic Exposure to Low-dose Toxicants

Published on: March 6, 2018

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Association of maternal thyroid peroxidase antibody exposure with children's emotional and behavioral problems

Penggui Wu, Mengting Yang, Yuzhu Teng

    European Thyroid Journal
    |April 8, 2025
    PubMed

    Insights

    Maternal thyroid peroxidase antibody (TPOAb) positivity during pregnancy is linked to emotional and behavioral issues in children. TPOAb positivity in the third trimester increased conduct problems in girls, while first-trimester positivity decreased prosocial behavior in boys.

    Area of Science:

    • Obstetrics and Gynecology
    • Pediatric Psychology
    • Endocrinology

    Background:

    • Maternal thyroid peroxidase antibody (TPOAb) positivity is linked to pregnancy complications and potential neurodevelopmental impacts on offspring.
    • Understanding these associations is crucial for early intervention and improved child outcomes.

    Purpose of the Study:

    • To investigate the association between maternal TPOAb levels during pregnancy and emotional and behavioral problems in preschool-aged children.
    • To determine if the timing of TPOAb positivity influences specific behavioral outcomes in children.

    Main Methods:

    • A cohort study design was employed, including 2,464 mother-infant pairs from the Ma'anshan birth cohort in China.
    • Maternal TPOAb and FT4 levels were measured retrospectively from blood samples collected during pregnancy.
    • Emotional and behavioral problems in 4-year-old children were assessed using the Strengths and Difficulties Questionnaire.

    Main Results:

    • Maternal TPOAb positivity in the third trimester was associated with an increased risk of conduct problems in girls (OR: 2.190).
    • Maternal TPOAb positivity in the first trimester was associated with a decreased incidence of prosocial behavior in boys (OR: 0.451).

    Conclusions:

    • Maternal TPOAb positivity during pregnancy may be associated with specific emotional and behavioral problems in preschool-aged children.
    • The timing of maternal TPOAb positivity appears to influence the nature of the observed behavioral outcomes in offspring.
    Abstract

    Keywords:
    emotional and behavioral problemspregnancypreschool childrenthyroid hormonethyroid hormone trajectoriesthyroid peroxidase antibody

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