This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Vomiting on first day of bih is seen in all EXCEPT: 
Select and explain. 
A. Esophageal atresia, B. Amniotic gastritis, C. Aerophagy, D. Pyloric stenosis
D: Pyloric stenosis
Answer: D: Pyloric stenosis 
Explanation: Pyloric stenosisREF: Schwaz 8th ed p. 1486 Pyloric stenosis most commonly presents with non bilious vomiting at 4th week after bih.