What are the benefits of including some types of fish and shellfish in one’s pregnancy diet, and why must other types of fish and shellfish be avoided during pregnancy?

The benefits of including some types of fish and shellfish in one's pregnancy diet are the essential nutrients that you can get from these foods. Fish and shellfish contain omega-3 fatty acids and also can be a great source or protein, iron and zinc that will help in the fetus' development especially brain development. Such include tuna and salmon. Some types of seafoods should be avoided because of the high levels of mercury it contains. Such fishes include: swordfish, king mackerel, tilefish and shark. When too much mercury is accumulated in the body, this might interfere with the development of the fetus.

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