There is no clear link between taking paracetamol in pregnancy and autism and ADHD in children, a comprehensive review has found.

Researchers trawled all studies on the issue and concluded they were low quality, with "low to critically low" confidence in any findings suggesting a link.

US President Donald Trump said in September there has been a "meteoric rise" in cases of autism and that Tylenol - which is called paracetamol in the UK - was a potential cause.

Trump said the painkiller should not be taken during pregnancy, suggesting pregnant women should "tough it out".

His comments were criticised by autism campaigners and scientists around the world.

In a study, published in the British Medical Journal (BMJ) , experts including from the universities of Liverpool and Birmingham co

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