Jesy Nelson addresses the tragic prognosis that her twins won't live beyond two

Jesy Nelsonhas been incredibly open about her twin babies' SMA type one diagnosis in the hope of spreading awareness about the condition. And the singer, 34, has addressed the tragic prognosis that Ocean Jade and Story Monroe, aged nine months, won't live beyond the age of two. Genetic neuromuscular disease SMA1 causes progressive muscle weakness and wasting due to motor neuron loss.