This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S., Subject name: Pediatrics
Late onset hemorrhagic disease of newborn is characterized by all of the following features except: 
Select and explain. 
A. Usually occurs in cow milk fed babies, B. Onset occurs at 4-12 weeks of age, C. Intracranial hemorrhage can occur, D. Intramuscular vitamin K prophylaxis at birth has a protective role
A: Usually occurs in cow milk fed babies
Answer: A: Usually occurs in cow milk fed babies 
Explanation: a. Usually occurs in cow milk fed babies(Ref: Nelson's 20/e p 2384)"Hemorrhagic disease of newborn is more common in breast fed infants because breast milk is poor in vitamin K".