This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast Milk & Breast Feeding, Subject name: Pediatrics
[{'content': 'Breast milk contains adequate amount of all vitamins EXCEPT? \nSelect and explain. \nA. Vit A & Vit D, B. Vit D & Vit K, C. Vit A & Vit K, D. Vit C & Vit D', 'role': 'user'}, {'content': "Answer: B \nExplanation: Breast milk contains adequate amount of all vitamins EXCEPT Vit D & Vit K All exclusively breast fed babies should receive Vit D supplementation 400 IU/day throughout 1st year of life Single dose of Vit K 1 mg IM at bih, to prevent 'Hemorrhagic disease of newborn'.", 'role': 'assistant'}]