Answer: Most fish are safe to eat in pregnancy, provided that you cook them properly. In fact, many fish have important health benefits for you and your baby, so it's a great idea to include them in your diet if you can. When you're cooking fish and seafood at home, follow the guidelines below to make it safe to eat: If you're cooking whole fish or fillets, check that they're cooked by slipping the point of a sharp knife into the flesh and pulling it aside. The flesh should be opaque, with flakes beginning to separate.When you've taken the fish out of the oven, or turned the heat off the hob, let it stand for three minutes to four minutes, to finish cooking.Prawns and lobster turn red when cooked, and the flesh becomes pearly-opaque. Scallops appear milky-white or opaque and firm.For clams, mussels, and oysters, watch for the point at which their shells open, which indicates that they're done. Throw away any that remain closed after cooking.When microwaving seafood, check several spots to ensure that it's cooked properly throughout.You could use a food thermometer to check that your seafood has reached a temperature of at least 63 degrees C. Then you'll know for sure that it’s cooked and ready to eat.