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.
1 Rubella (German measles). 2  Having rubella during pregnancy can cause problems in your baby's heart development. 3  Your doctor can test you for immunity to this viral disease before pregnancy and vaccinate you against it if you aren't immune. 4  Diabetes.