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.
Constipation during pregnancy. Why you may get constipated during pregnancy and what you can do to prevent or relieve constipation when you're pregnant. Shortness of breath during pregnancy. Find out why you may feel short of breath during pregnancy and when breathlessness may indicate a serious problem. Leg cramps during pregnancy.