Frozen-Thawed Versus Fresh Sıngle Blastocyst Transfer, Evaluatıon Of Clınıcal Pregnancy Rates AIM: Advances in cell culture and laboratory technique and sequential media have leaded a significant shift in IVF practice from cleavage stage embryo transfer (ET) to blastocyst transfer. In the literature, investigators have reported that blastocyst transfers result in a higher implantation rate (IR)...