"Inhaled Nitric Oxide (iNO) for Congenital Diaphragmatic Hernia (CDH) - The NoNO Trial - a Multi-center, De-implementation, Stepped-wedge, Cluster-randomized Trial Within an Established Collaborative"

The center will use iNO per their usual protocol in the initial resuscitation period (defined as birth through stabilization and CDH repair). No center will alter any component of their standard clinical practice guideline or protocol governing CDH care.

The center will stop using iNO in the initial resuscitation period (defined as birth through stabilization and CDH repair).