Story perspectives

Study Links Prenatal Acetaminophen to Neurodevelopmental Risks, Confounds Found

3/10/2026

Summary

Story summary

A Taiwan study analyzing more than 2 million births found an initial link between prenatal acetaminophen use and neurodevelopmental disorders, including autism and ADHD.
However, sibling comparisons largely removed these associations, suggesting confounding factors.
Experts note that older siblings showed higher risk and younger siblings did not, which raises concerns about bias.
Major health organizations continue to deem acetaminophen a safe pain relief option during pregnancy.

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Story summary

A Taiwan study analyzing more than 2 million births found an initial link between prenatal acetaminophen use and neurodevelopmental disorders, including autism and ADHD.
However, sibling comparisons largely removed these associations, suggesting confounding factors.
Experts note that older siblings showed higher risk and younger siblings did not, which raises concerns about bias.
Major health organizations continue to deem acetaminophen a safe pain relief option during pregnancy.