preterm with insufficient surfactant.
postterm with too much surfactant.
preterm with too much surfactant.
Alveolar collapse (atelectasis)
Acute respiratory distress syndrome (ARDS)
Meconium aspiration syndrome (MAS)
Closure of the ductus arteriosus
Transient pulmonary hypertension
Increased flow through the ductus venosus
Airway mucosal edema
Underdevelopment of alveolar type I cells
Deficiency or abnormality of pulmonary surfactant
Hypoxia causing pulmonary hypoperfusion
Excessive amniotic fluid in the lungs