I'm not really certain, so i won't be of a great help but i liked to eat tuna while pregnant with DS1 (when i was still working full time it was such an easy healthy lunch) and one of my work collegues was shocked and put a bit of fear in me for actually doing it. I still ate it though

Maybe someone will be able to help with a bit more of an actual idea but i'd ask your OB too when you get the chance.