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.
During pregnancy, avoid exposure to: 1  Lead â found in some water and paints, mainly in homes built before 1978. 2  Mercury â the harmful form is found mainly in large, predatory fish. 3  Arsenic â high levels can be found in some well water. 4  Pesticides â both household products and agricultural pesticides.