This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New Born Infants, Subject name: Pediatrics
Baby presents with froth in mouth after 3 days of birth, coughing on feeding: 
Select and explain. 
A. TE fistula, B. Choanal atresia, C. Cleft palate, D. Diaphragmatic hernia
A: TE fistula
Answer: A: TE fistula 
Explanation: Ans. A. TE fistula Ref: Nelson Textbook of Pediatrics 20th/ed pl783ExplanationConditionPresentationTE fistulaMaternal polyhydramnois and single umbilical artery Excessive drooling soon after birth with frothing. Choking and cyanosis on feedingChoanal atresiaCyanosis which improves on cryingCleft palateMorphological defect presentDiaphragmatic herniaScaphoid abdomen, respiratory distress