The impact of difficult embryo transfer on the outcome of in vitro fertilization-embryo transfer / 重庆医学

Objective To evaluate the effect of the difficult embryo transfer on the clinical pregnancy outcome of in vitro fertili-zation-embryo transfer(IVF-ET) .Methods There were 209 fresh cycles of difficultly transferring and 2 489 fresh cycles of easily embryo transferring between January 2011 and December 2012 .The clinical outcome was compared .Results There were statistical-ly significant differences in the catheter blood staining rates (51 .20% vs 27 .68% ,P0 .05) .Conclusion Difficulty ET will in-fluence the clinical pregnancy .Therefore ,all efforts should be made to avoid the difficult transfer in order to increase the pregnant rate .