Those who developed the disease were also older, less educated, shorter, lighter and had a lower estimated verbal IQ, than those who did not.

BBC: Alzheimer's 'link' to small heads

The product information for Epilim also contains clear advice about its safety of use during pregnancy, including information about the potential for risk of developmental delay, particularly of verbal IQ and the risk of autism spectrum disorders.

BBC: Advice call after epilepsy drug Epilim study