<prompt> Which of the drug is not commonly used in PPH?MifepristoneMisoprostolOxytocinErgotamine  <response>: Ans. is a, i.e. MifepristoneRef. Dutta Obs. 7e, p 415, 416; Williams Obs. 23e, p 775; COGDT 10e, p 481; Munro Kerrs 10e, p 426, 427Atonicity is the most common cause of PPH. Any drug which increases the tone of uterus or the force of contraction is used to control PPH and is called oxytocic or uterotonic.Commonly used oxytocics in the management of PPH are:OxytocinCarbetocinMetherginSyntometrine - oxytocin methylorgonovine15 methyl PGF2a carboprostMisoprostol PGE1 