 The current literature estimates the incidence of transient tachypnea of the newborn to be 5.7 per 1000 births. Assuming that a 5 difference of the primary outcome between the groups is significant, when the alpha value is set at 0.05 and power of the study at 80, 220 infants must be recruited for each arm nCPAP and nHFOV under investigation. 