This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2019, Subject name: Gynaecology & Obstetrics
Drugs preventing PPH, all except: 
Select and explain. 
A. Misoprostol, B. Dinoprostone, C. PGF-2 alpha, D. Oxytocin
B: Dinoprostone
Answer: B: Dinoprostone 
Explanation: *PPH - Any bleed in genital tract after delivery Treatment - Misoprostol - PGE1 - 1000 ug per rectum - Carboprost -PGF2 alpha -IM only - Oxytocin is DOC. By WHO - 5/10 IU IM/IV Prophylactic - 10 -20 IU lV infusion For Rx of PPH. - IV methylergometrine 0.2 mg (peak action of 90 sec)