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: Gynaecology & Obstetrics
All of the following are used in the treatment of postpartum hemorrhage except: 
Select and explain. 
A. Misoprostol, B. Mifepristone, C. Carboprost, D. Methyl ergometrine
B: Mifepristone
Answer: B: Mifepristone 
Explanation: None