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
What dose of misoprostol is used orally to control bleeding in post paum hemorrhage? 
Select and explain. 
A. 400 micrograms, B. 600 micrograms, C. 800 micrograms, D. 1000 micrograms
B: 600 micrograms
Answer: B: 600 micrograms 
Explanation: Ans: B. 600 micrograms(Ref Williams 24/e 1785)Approved dose of misoprostol in emergent management of postpaum hemorrhage = 600 pg.Misoprostol (Cytotec):Synthetic prostaglandin E1 analogue.Effective in prevention & treatment of atony & postpaum hemorrhage.Derman (2006) compared a 600 ug oral dose given at delivery against placebo and found that the drug decreased hemorrhage incidence from 12 to 6 percent and that of severe hemorrhage from 1.2 to 0.2 percent.