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Major review finds no autism or ADHD risk from pregnancy Tylenol

Science News from research organizations Major review finds no autism or ADHD risk from pregnancy Tylenol Date: January 19, 2026 Source: City St George’s, University of London Summary: A major new scientific review brings reassuring news for expectant parents: using acetaminophen, commonly known as Tylenol, during pregnancy does not increase a child’s risk of autism, ADHD, or intellectual disability. Researchers analyzed 43 high-quality studies, including powerful sibling comparisons that help separate medication effects from genetics and family environment. Earlier warnings appear to have been driven by underlying maternal health factors such as fever or pain rather than the medication itself.

After reviewing data from hundreds of thousands of children, scientists found no evidence that taking Tylenol during pregnancy increases the risk of autism, ADHD, or intellectual disability

After reviewing data from hundreds of thousands of children, scientists found no evidence that taking Tylenol during pregnancy increases the risk of autism, ADHD, or intellectual disability

Credit: Shutterstock

Key Highlights

  • Share: Facebook Pinterest LinkedIN Email FULL STORY After reviewing data from hundreds of thousands of children, scientists found no evidence that taking Tylenol during pregnancy increases the risk of autism, ADHD, or intellectual disability.
  • Credit: Shutterstock Taking acetaminophen, commonly known by the brand name Tylenol, during pregnancy does not raise the risk of autism, attention-deficit hyperactivity disorder (ADHD), or intellectual disability in children.
  • This conclusion comes from the most comprehensive review of the evidence so far, published on January 16 in The Lancet Obstetrics, Gynaecology & Women's Health.
  • The study was led by researchers at City St George's, University of London.
  • The research team carried out a systematic review and meta-analysis drawing on results from 43 previously published studies.
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Sources

  1. Major review finds no autism or ADHD risk from pregnancy Tylenol

This quick summary is automatically generated using AI based on reports from multiple news sources. The content has not been reviewed or verified by humans. For complete details, accuracy, and context, please refer to the original published articles.

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