Nhs already advises pregnant women not to eat smoked fish unless it has been cooked as there have been issues with listeria linked to it.
What to be careful with:
smoked fish, such as smoked salmon and trout
Important:Smoked fish and listeria
Due to a listeria outbreak linked to smoked fish, people at higher risk of serious infection (including people who are pregnant) should only eat smoked fish products that have been thoroughly cooked.
When cooking smoked fish products at home, make sure they are steaming hot all the way through.