Maya Angelou recites her poem 'On the Pulse of Morning' at the inauguration of President Bill Clinton on January 20, 1993.
Pregnant women could also go for a swim at a swimming pool, but it can also be risky in some circumstances. The chemicals used in swimming pools can be dangerous for moms-to-be and their babies, if too much is being added to the water, but normal levels of chlorine are generally OK unless the water is ingested.
The good news first, fish has these benefits and most fish that is common is safe. This includes: salmon, shrimp, pollock, tilapia, catfish, and cod. So when dining on fish, these are usually safe choices for pregnant women. The problem with many fish and seafood items are the mercury levels found in these fish. The methyl mercury accumulates in fish with long life spans, hence the specific warnings about certain fish.