One in ten new born babies comes to a neonatal unit.
What does it take to care for the sickest premature babies? 5 live takes a look inside the Neonatal Intensive Care Unit at Burnley General hospital.
Andy Cox, Consultant Neonatalologist told 5 live: "One in ten babies that is born come to the Neonatal unit. Nobody tells you that in your antenatal class so sometimes is can be shock."