<prompt> Carboprost, used for 2 trimester aboion, is analogue of ?PGE2PGF2aPGI2PGD2  <response>: Ans. is b i.e., PGF2aCarboprost is a synthetic prostaglandin analogue of PGF2a specifically, it is 15-methyl-PGF2a with oxytocic propeies.Carboprost induces contractions and can trigger aboion in early pregnancy. It also reduces postpaum bleeding. 