23/09/2025
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The Trump administration has made highly controversial claims about the causes of autism and ADHD, asserting that paracetamol (also known as acetaminophen) use during pregnancy increases the risk of children being diagnosed as neurodivergent.
RANZCOG joins leading clinicians and scientists worldwide in rejecting these claims. Scientific evidence shows no link between paracetamol use in pregnancy and autism or ADHD during childhood, with several large and reliable studies directly contradicting the administration’s statement.
The causes of neurodivergence are incompletely understood and remain complex, involving both genetic and environmental factors. Earlier studies raising concerns about paracetamol could not determine whether the medicine itself was responsible, or whether other factors explained the association.
A much larger and stronger study, published in 2024 by Ahlqvist and colleagues, looked at 2.5 million children in Sweden. When they accounted for important factors like family history of autism/ADHD and sibling comparisons, they found no link between paracetamol use during pregnancy and children developing autism or ADHD.
The use of medications during pregnancy should always balance the potential benefits against any potential harms - both of the medication and of the condition being treated - to the mother and the fetus. The Ahlqvist study provides conclusive evidence that paracetamol use during pregnancy does not increase the chance of neurodivergence in the offspring and therefore should be considered safe to use in pregnancy where there is a clear reason to do so.
People who are uncertain about medication use in pregnancy should discuss this with their doctor or midwife.
Learn more in a statement on the College’s website: https://ranzcog.edu.au/news/paracetamol-use-in-pregnancy/
