LONDON: Taking paracetamol, often called Tylenol within the US, throughout being pregnant is protected, a gaggle of European researchers have stated, after compiling information in response to President Donald Trump’s claims of a hyperlink to autism final yr.
In a assessment revealed within the British journal The Lancet Obstetrics, Gynaecology & Ladies’s Well being on Saturday, the group stated that they had targeted on amassing the best-quality proof to deal with the claims.
“Paracetamol is protected to make use of in being pregnant,” stated lead writer Asma Khalil, professor of obstetrics and maternal foetal medication at Metropolis St George’s, College of London.
“The important thing message is reassurance: When used as beneficial, the very best accessible proof doesn’t help a causal hyperlink with autism, ADHD (attention-deficit/hyperactivity dysfunction) or mental incapacity.”
Tylenol not linked to autism or ADHD
Khalil stated she had been requested in regards to the widespread ache remedy – also referred to as acetaminophen – by her sufferers after Trump in September informed pregnant ladies to not take the drug. On the time, nationwide and worldwide medical teams decried the president’s feedback, saying they weren’t evidence-based.
A spokesperson for the Division of Well being and Human Providers stated in response that “many consultants have expressed concern of the usage of acetaminophen throughout being pregnant.”
Current research have yielded conflicting conclusions on whether or not its use throughout being pregnant would possibly create dangers for a creating foetus. A 2024 examine in Sweden discovered no causal hyperlink to issues equivalent to autism, whereas a 2025 assessment by researchers stated there was a suggestion of a hyperlink. They suggested that pregnant ladies ought to proceed to make use of acetaminophen as wanted, on the lowest potential dose and for the shortest potential interval.
Paracetamol/Tylenol is the one ache reliever thought-about protected for pregnant ladies, and docs already advise them to make use of it with warning. Untreated, these situations could be dangerous for each pregnant ladies and their infants.
The European researchers carried out a scientific assessment and meta-analysis of current information, discovering 43 research that have been then assessed for high quality and bias utilizing a normal software.
The group notably targeted on research that checked out kids born to the identical mom who took paracetamol/Tylenol throughout one being pregnant however not the opposite. These take into consideration shared genetic components and household environments that may very well be linked to autism or the opposite situations studied, Khalil stated.
There have been solely three research of this sort, however they have been massive, masking greater than 260,000 kids assessed for autism, and round 335,000 and 405,000 for ADHD and mental disabilities, respectively.
Accounting for bias
They confirmed no vital hyperlink between use of the drug and any of the situations studied. This remained the case when outcomes from all the high-quality research that have been assessed have been pooled, the authors stated.
Khalil stated a lot of the work displaying a possible hyperlink, together with the2025 assessment of 46 research cited by Trump officers, was vulnerable to bias or confounding components that her group’s assessment had tried to account for.
Grainne McAlonan, professor of Translational Neuroscience at King’s School London, who was not concerned within the analysis, praised the examine, including: “I hope the findings of this examine convey the matter to a detailed.”
