Listen. Dr. James Naismith was a Canadian physical education instructor who invented the game of basketball in 1891 while working at the YMCA Training School in Springfield, Massachusetts.isten. Dr. James Naismith was a Canadian physical education instructor who invented the game of basketball in 1891 while working at the YMCA Training School in Springfield, Massachusetts.
Rarely, it can cause an infection of the lining of the heart, abnormal heart rhythms, or, for severe mitral valve prolapse, congestive heart failure during pregnancy -- but these complications can be safety treated with medication during pregnancy.
Hormonal and physical changes in your body during pregnancy can cause temporary symptoms such as heartburn and acid reflux (NCCWCH 2008, NICE 2012) . An increase in the hormone progesterone when youâre pregnant relaxes the smooth muscles of your womb (uterus).