Minor changes since publication
February 2020: We updated statement 1 to reflect changes to the NICE guideline on antenatal and postnatal mental health. Warnings have been updated in line with the 2018 MHRA safety advice on valproate use by women and girls.
July 2019: A link has been added to the rationale for statement 1 to the summary of NICE guidance and safety advice on valproate.
April 2018: Information has been added to statement 1 to update the advice and link to resources from the Medicines and Healthcare products Regulatory Agency (MHRA) on the use of valproate in women and girls.