Parents of a newborn who was diagnosed with Tetralogy of Fallot with pulmonary atresia are preparing to discharge home. The nurse is developing a teaching sheet regarding care of the newborn for the parents. Which information does the nurse need to include in the teaching plan?

A. Newborns do not have natural immunity to infections, and protection through immunizations is important. B. Secondary complications such as cyanosis and growth failure are possible. C. Newborns with Tetralogy of Fallot with pulmonary atresia often have feeding difficulties and require extra caloric intake to meet their nutritional needs. D. Activity levels should be limited to prevent excess strain on the heart, especially with congenital heart defects like Tetralogy of Fallot.