Pregnancy outcome after difficult embryo transfer in IVF-ET cycles

ABSTRACT

Background: Embryo transfer [ET] is one of the most crucial steps in IVF/ICSI treatment. Although it, apparently, seems simple, it is an integral part of IVF/ICSI and can affect the outcome of the whole treatment cycle. The majority of couples [approximately 80%] who undergo IVF reach the ET stage, yet few pregnancies occur. The pregnancy rate after ET is dependent on multiple factors including embryo quality, endometrial receptivity, and the technique of the ET