i ate like almost a kilo of prawns to myself with DS1 but i was just about fullterm too (i sound like a pig now, but i had massive cravings for them lol) i think your allowed them just not alot because of the mercury in them or something similar

no runny eggs
no soft cheeses
no pink meat
you can eat cold meat as long as its off the bone not processed (shaved ham is off the bone just incase you didnt know)
certain fish your allowed only once a week or fortnight

thats all i basically worried about with both my kiddies!