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.
Mercury is a metal that can harm your baby. Fish get mercury from water they swim in and from eating other fish that have mercury in them. If you eat fish that have a lot of mercury in them, you can pass the metal to your baby during pregnancy. When you're pregnant, it's OK to eat fish as long as it's low in mercury.