Clinical utility of the endometrial receptivity analysis in women with prior failed transfers

In: Journal of Assisted Reproduction and Genetics · 2021 · vol. 38(3) , pp. 645–650 · doi:10.1007/s10815-020-02041-9 · PMID:33454901 · W3121683349
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This study examined the utility of the endometrial receptivity analysis (ERA) in women with prior failed embryo transfers, finding similar receptivity rates but lower live birth rates in those with three or more failures.

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This retrospective study evaluated the clinical utility of endometrial receptivity analysis (ERA) in 222 women who underwent an ERA test and then received a subsequent frozen embryo transfer, comparing those with at least one prior failed transfer (131 women) versus those tested prophylactically (91 controls), with a subset of women with three or more prior failures. The key finding was that the prevalence of non-receptive ERA results was similar between groups (45% for ≥1 failed transfer, 40% for ≥3 failed transfers, and 52% for controls), and pregnancy outcomes did not differ between ≥1 failed transfer patients and controls. However, among women with ≥3 prior failed transfers, the ongoing pregnancy/live birth rate was lower (28% vs 54%, P = 0.046) despite personalized frozen transfer, with the authors concluding that additional implantation-failure factors may exist beyond progesterone-exposure adjustment. This paper does not explicitly discuss endometriosis or adenomyosis; it was included in the corpus via a keyword match in the upstream search index.

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Abstract

Purpose To determine the utility of the endometrial receptivity analysis (ERA) in women with prior failed embryo transfers (ET).

Methods

This was a retrospective study of patients who underwent an ERA test with a subsequent frozen ET. Women were classified based on their indication for an ERA test: (1) ≥ 1 prior failed ET (cases), or (2) as a prophylactic measure (controls). A subset analysis of women with ≥ 3 prior failed transfers was performed. Pregnancy outcomes of the subsequent cycle were examined, including conception, clinical pregnancy, and ongoing pregnancy/live birth.

Results

A total of 222 women were included, 131 (59%) women with ≥ 1 prior failed ET and 91 (41%) controls. Among the 131 women with ≥ 1 prior failed ET, 20 women (9%) had ≥ 3 prior failed ETs. The proportion of non-receptive ERA tests in the three groups were the following: 45% (≥ 1 prior failed ET), 40% (≥ 3 prior failed ETs), and 52% (controls). The results did not differ between cases and controls. The pregnancy outcomes did not differ between women with ≥ 1 prior failed ET and controls. In women with ≥ 3 prior failed ETs, there was a lower ongoing pregnancy/live birth rate (28% vs 54%, P = 0.046).

Conclusion

Women with ≥ 1 prior failed ET and ≥ 3 prior failed ETs had a similar prevalence of non-receptive endometrium compared to controls. Women with ≥ 3 prior failed ETs had a lower ongoing pregnancy/live birth rate despite a personalized FET, suggesting that there are additional factors in implantation failure beyond an adjustment in progesterone exposure. Similar content being viewed by others

References

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Author information Authors and Affiliations Corresponding author Ethics declarations Conflict of interest Dr. Jessica Chan is a scientific advisor for the women’s health start up BINTO. All other authors declare that they have no conflict of interest. Additional information Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Rights and permissions About this article Cite this article Eisman, L.E., Pisarska, M.D., Wertheimer, S. et al. Clinical utility of the endometrial receptivity analysis in women with prior failed transfers. J Assist Reprod Genet 38, 645–650 (2021). https://doi.org/10.1007/s10815-020-02041-9 Received: Accepted: Published: Version of record: Issue date: DOI: https://doi.org/10.1007/s10815-020-02041-9

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