This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hematology, Subject name: Pediatrics
Late onset hemorrhagic disease of newborn is chaacterized by all of the following features except 
Select and explain. 
A. Usually occurs in cow - milk fed babies, B. Onset occurs at 4-12 week of age, C. Intracranial hemorrhage can occur, D. Intramuscular vitamin K prophylaxis at bih has a protective role
A: Usually occurs in cow - milk fed babies
Answer: A: Usually occurs in cow - milk fed babies 
Explanation: Late onset hemorrhagic disease of newborn is common among breastfed babies. Reference: GHAI Essential pediatrics, 8th edition