Rebecca Fitzgerald's twin boys showed signs of twin-to-twin transfusion syndrome at 16 weeks. It is a serious condition caused by shared blood flow through the placenta. Photo / SuppliedRebecca Fitzgerald’s twin boys showed signs of twin-to-twin transfusion syndrome at 16 weeks. It is a serious condition caused by shared blood flow through the placenta. Photo / Supplied

Rebecca Fitzgerald spent the first seven months of her twin son's life between separate NICU units in Christchurch and Dunedin. Photo / SuppliedRebecca Fitzgerald spent the first seven months of her twin son’s life between separate NICU units in Christchurch and Dunedin. Photo / Supplied

Baby Louie was airlifted from Dunedin to Christchurch NICU as his health worsened. His first surgery revealed a bowel perforation. Photo / SuppliedBaby Louie was airlifted from Dunedin to Christchurch NICU as his health worsened. His first surgery revealed a bowel perforation. Photo / Supplied

Māia Health Foundation chief executive Michael Flatman. Photo / SuppliedMāia Health Foundation chief executive Michael Flatman. Photo / Supplied