Comparison of Easy and Difficult Embryo Transfer Outcomes in In Vitro Fertilization Cycles
نویسندگان
چکیده
BACKGROUND The aim of this study was to compare the effects of easy and difficult embryo transfers (ET) on implantation and pregnancy rates. MATERIALS AND METHODS In this prospective study, we analyzed the results of 706 ET procedures over a 12-month period. An easy ET was defined as a transfer that occurred without the use of force or other instrumentation. A difficult ET was defined as the use of force for catheter placement, and/or the use of additional instruments, and/or manipulation. Pregnancy rate was compared between patients with easy or difficult ETs. RESULTS There was a significantly higher implantation rate in the easy group (21.7%) compared to the difficult group (12.1%, p<0.05).The easy group had a higher pregnancy rate (38.1%) compared to patients who had difficult ETs (21.4%; p<0.05). CONCLUSION Any uterine manipulation during ET adversely affects in vitro fertilization (IVF). Precaution should be taken to identify possibly difficult ET cases in advance.
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