Hysteroscopic Endometrial Fundal Incision in Oocyte Recipients before Embryo Transfer May Improve Reproductive Outcomes: A Prospective Study

Document Type : Original Article

Authors

1 Assisting Nature Centre of Reproduction and Genetics, Thessaloniki, Greece

2 Third Department of Obstetrics and Gynaecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece

Abstract

Background: Induced endometrial injury is a technique described that have positive impact on implantation. The aim of
this study was to investigate whether hysteroscopic endometrial fundal incision (EFI) in oocyte recipients before embryo
transfer increases pregnancy and live birth rates or not.
Materials and Methods: A prospective study was conducted between 2014 and 2019 at an in vitro fertilization (IVF) unit
in Greece. As part of the protocol, hysteroscopy and EFI were offered to all the egg recipients and the outcomes compared
with those from an older cohort from the same Unit not undergoing hysteroscopy.
Results: In total, 332 egg recipients participated in the study; 114 of them underwent EFI prior to embryo transfer. Both
groups were similar in terms of age, years of infertility, duration of hormone replacement treatment (HRT) and number
of blastocysts transferred. In the EFI group, minor anomalies were detected and treated in 6.1% (n=7) of the participants.
Moreover, pregnancy test was positive in 73.7% of the women in the hysteroscopy group compared to 57.8% in the nonhysteroscopy
group (P=0.004). Live birth rate was also higher (56.1 vs. 42.2%, P=0.016) in the EFI group compared to
the non-hysteroscopy one.
Conclusion: Apart from the obvious benefit of recognizing obscured anomalies, requiring surgical correction, it appears
that in oocyte recipients prior to embryo transfer, EFI might improve uterine receptivity and reproductive outcomes.

Keywords

Main Subjects

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