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 are used in PPH expe : 
Select and explain. 
A. Mife pristone, B. Carboprost, C. Misoprostol, D. Ergometrine
A: Mife pristone
Answer: A: Mife pristone 
Explanation: Mife pristone