Families involved in last year's legal action had claimed Epilim, or sodium valproate, caused a range of birth defects which they said included spina bifida, heart damage, learning difficulties and cleft palate.

BBC: Sussex woman's fresh campaign over Epilim 'side-effects'

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