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
Known to prevent intraventricular haemorrhage when given antenatally – 
Select and explain. 
A. Phenobarbitine, B. Vitamin K, C. Both, D. None
B: Vitamin K
Answer: B: Vitamin K 
Explanation: "Intravenous vitamin K should be given before delivery to all women receiving phenobarbitone or phenytoin during pregnancy, to prevent intraventricular hemorrhage".