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Journal of Assisted Reproduction and Genetics

Erschienen in:

25.06.2022 | Assisted Reproduction Technologies

Biological relevance of trophectoderm morphology: initial β-hCG measurements correlate with trophectoderm grading on euploid frozen embryo transfers

verfasst von: Carlos Hernandez-Nieto, Joseph Lee, Tamar Alkon-Meadows, Christine Briton-Jones, Benjamin Sandler, Alan Copperman, Tanmoy Mukherjee

Erschienen in: Journal of Assisted Reproduction and Genetics | Ausgabe 9/2022

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Abstract

Objective

To analyze the correlation between TE grading and initial β-hCG serum level after single euploid embryo transfer. Secondarily, to explore the association between TE grading with subsequent IVF outcomes.

Design

Retrospective cohort analysis.

Setting

Single, academic, private infertility and assisted reproductive care institute.

Patients or other participants

Infertility patients who underwent a single euploid embryo transfer that resulted in a positive pregnancy test.

Intervention(s)

β-hCG measurements.

Main outcome measure(s)

Correlation between TE grade with first β-hCG measurement. Second outcome measurements included ongoing pregnancy, biochemical pregnancy loss, and clinical pregnancy loss rates.

Results

2,798 cases were analyzed. A significant difference in initial β-hCG measurement among groups (TE A: median 143.4 mIU/mL IQR 79.2–211.2; TE B: 119 mIU/mL IQR 57.1–177.8; TE C: 82.4 mIU/mL IQR 36.3–136.4, p ≤ 0.0001) was observed. There was a significant correlation found between the TE grade and β-hCG measurements (p ≤ 0.0001, r² = 0.10). TE grade was not associated with higher odds of biochemical pregnancy loss (TE A vs. TE B: aOR 1.01 CI95% 0.97–1.05; TE A vs. TE C: aOR 1.03 CI95% 0.98–1.08), or higher odds of clinical pregnancy loss (TE A vs. TE B: aOR 1.02 CI95% 0.98–1.05; TE A vs. TE C: aOR 1.03 CI95% 0.98–1.07).

Conclusions

In patients with euploid embryos, TE grade correlates with the first pregnancy test measurement of β-hCG. We propose this finding helps to appoint a relevant link between morphology assessment and early embryo development in vivo.

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Titel: Biological relevance of trophectoderm morphology: initial β-hCG measurements correlate with trophectoderm grading on euploid frozen embryo transfers
verfasst von: Carlos Hernandez-Nieto
Joseph Lee
Tamar Alkon-Meadows
Christine Briton-Jones
Benjamin Sandler
Alan Copperman
Tanmoy Mukherjee
Publikationsdatum: 25.06.2022
Verlag: Springer US
Erschienen in: Journal of Assisted Reproduction and Genetics / Ausgabe 9/2022
Print ISSN: 1058-0468
Elektronische ISSN: 1573-7330
DOI: https://doi.org/10.1007/s10815-022-02553-6

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Biological relevance of trophectoderm morphology: initial β-hCG measurements correlate with trophectoderm grading on euploid frozen embryo transfers