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: Pharmacology
Methylergometrine is used in the prophylaxis of 
Select and explain. 
A. Migraine, B. Postpartum hemorrhage, C. PIH, D. None of the above
B: Postpartum hemorrhage
Answer: B: Postpartum hemorrhage 
Explanation: None