<prompt> The best predictor of prognosis in congenital diaphragmatic herniaPulmonary hypeensionGestational age at which baby is bornTime of surgerySize of the herniated sac  <response>: Pulmonary hypoplasia and immaturity of the lungs remain the leaden cause of death, from pulmonary hypeension right-to-left shunting with resultant hypoxemia. The best predictor of prognosis in congenital diaphragmatic hernia Pulmonary hypeension. 