May Be Caused by

 Common

Acute respiratory distress syndrome

Aspiration of amniotic fluid

Aspiration of meconium

Congenital heart disease

Diaphragmatic hernia

Infantile respiratory distress syndrome

Pneumonia

Pulmonary immaturity

Respirator therapy

Transient tachypnea of the newborn

Wilson-Mikity syndrome

 Uncommon

Asphyxiating thoracic dysplasia

Choanal atresia

Chylothorax

Congenital lobar emphysema

Cystic adenomatoid malformation

Eventration or paralysis of diaphragm

Laryngeal atresia

Overly medicated mother

Persistent fetal circulation

Pneumothorax

Pulmonary agenesis

Pulmonary edema

Pulmonary hemorrhage

Pulmonary hypoplasia

Pulmonary lymphangiectasia

Robin sequence

Short rib-polydactyly syndrome

Tracheoesophageal fistula

Vascular ring

Werdnig-Hoffmann disease