A couple who had to make the difficult decision to tell doctors to halt CPR on their newborn child are opening up about watching their "worst nightmare play out."

A husband and wife team from Minnesota have opened up about the fateful decision they had to make about their 14-month-old son diagnosed with a heart condition, and how they've coped with it since

Morgan Christofferson, 25, shared the worst moment of her life - the time she and her husband had to tell EMTs to stop CPR on their one-year-old son.