For example, the push to get women to take folic acid supplements during pregnancy has led ... is far more complicated. The FDA's safety limit for mercury in fish is 1 part per million (ppm).

Current recommendations caution against some, but not all, varieties of tuna, and the guidance emphasizes that the benefits of eating fish during pregnancy generally outweigh the risks. The FDA ...

the FDA's acting chief scientist, Stephen Ostroff, M.D., said, "The latest science strongly indicates that eating 8 to 12 ounces per week of a variety of fish lower in mercury during pregnancy ...

Large marine fish can accumulate high amounts of mercury, so it’s best to avoid high-mercury fish during pregnancy and nursing ... according to the FDA. The surface of unwashed or unpeeled ...