Certain fish contain methylmercury and should be avoided by pregnant women.

Question

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Methylmercury is a neurotoxin found in certain fish and seafood. It can harm the developing brain of a fetus and cause developmental delays, cognitive problems, and other health issues. Therefore, pregnant women are advised to avoid fish with high levels of methylmercury, such as shark, swordfish, king mackerel, and tilefish. They should opt for safer fish options that are lower in mercury, such as salmon, cod, and sardines.

Certain Fish Contain Methylmercury and Should Be Avoided by Pregnant