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
Which of the following drugs is not useful in the management of Postpaum Hemorrhage(PPH)? 
Select and explain. 
A. Mifepristone, B. Misoprostol, C. Oxytocin, D. Ergotamine
A: Mifepristone
Answer: A: Mifepristone 
Explanation: Mifepristone is a progestin analogue and it blocks the effects of progesterone. It is used as a medical termination of pregnancy in the first trimester and as a post-coital contraceptive. While misoprostol, oxytocin and ergotamine are oxytocics and as uterine stimulants are used in the management of postpaum hemorrhage. Ref: Dutta textbook of Obstetrics 6th edition, Pages 175, 550, 411-22