(1) Department of Pediatrics, Wake Forest University School of Medicine, Winston-Salem, NC, USA;(2) Department of Pediatrics, Northwestern University School of Medicine, Chicago, USA
Abstract:
Background
It is important to determine if rates of survival and major neurodevelopmental impairment in extremely low gestational age newborns (ELGANs; infants born at 23–27 weeks gestation) are changing over time.