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But the truth is that pregnant women can and should eat fish (with a few exceptions). It's true that not all fish is safe for pregnant women, but avoiding seafood can be detrimental too. Pregnant women should aim to eat eight to no more than 12 ounces of safe seafood a week. And, here's why. Fish is full of protein and iron. Pregnant women need at least 27 milligrams of iron a day (up from 18 milligrams pre-pregnancy) to help prevent anemia, and 71 grams of protein daily (up from 46 grams) to support the baby's growth and a woman's own physical changes.
A mistake some pregnant women make is to swear off all fish -- salmon, for example, doesn't contain mercury, and it's a great source of omega-3 fatty acids, which you need lots of during pregnancy. But no matter what type of fish you're eating, your best bet is to avoid anything raw or undercooked. Foods You Should Eat. Now that all the bad stuff is gone, here's a list of the best pregnancy nutrients -- and what to put on your shopping list. 1  Omega-3s: These fatty acids are vital for brain and central-nervous-system development, and they can also lower your risk of postpartum depression.