What to know

• A major umbrella review of over 3 million participants found no convincing link between acetaminophen (Tylenol) use in pregnancy and autism risk.
• The apparent association between the two weakens substantially as study quality improves, suggesting earlier lower-quality studies may have inflated the risk.
• The findings provide reassurance about the safety of Tylenol use during pregnancy, a common over-the-counter pain reliever.

“An umbrella review of more than 3 million participants finds the apparent risk shrinks toward zero as study quality rises.”

Forbes · Forbes ↗

Mary Whitfill Roeloffs Forbes Staff reporter