First off, take a deep breath! Nutrition in a normal pregnancy can be something that often causes expecting parents an unnecessary amount of stress. I'm sure you want to be as healthy as possible for your baby and this is one thing you can have control over.
For this piece of information I am taking key facts from Health Link BC (linked below)
General food safety recommendations
When handling any raw meats or fish wash your hands thoroughly before and after preparation.
Clean and disinfect surfaces before, during and after preparation.
Wash fruits and vegetables before eating or cooking.
Thaw frozen products appropriately.
Refrigerate food within two hours and keep for no more than 4 days.
Foods and drink to avoid or minimize
Despite what many people often think, most foods are safe during pregnancy.
Avoid raw fish and shellfish such as sashimi and sushi (with raw fish), raw oysters, clams and mussels.
Avoid raw or lightly cooked egg or egg products.
Avoid unpasteurized dairy products; sometimes including brie, feta and goat.
Avoid unpasteurized juices.
Avoid fish that may have a higher amount of mercury; including tuna, shark, marlin, swordfish, escolar and orange roughy
Avoid fish that may have a higher amount of mercury; including tuna, shark, marlin, swordfish, escolar and orange roughy.
Limit caffeine intake to 300mgs per day (approx 2cups).
Do not intake alcohol, no amount of alcohol has been shown to be safe.
Health Link BC - Healthy Eating Guidelines for Food Safety During Pregnancy
Health Link BC - Mercury in Fish