Prediction of embryo euploidy and pregnancy outcome by blastocyst morphology and development speed for women receiving single embryo transfer

Selection of high-quality blastocysts is the most important factor determining the success of assisted reproductive technology. The objective of this study is to assess the values of blastocyst morphological quality and development speed for predicting euploidy and clinical pregnancy outcome. A tota...

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Bibliographic Details
Published in:Journal of obstetrics and gynaecology 2024-12, Vol.44 (1), p.2338235-2338235
Main Authors: Dong, Kexin, Wu, Chunyan, Hou, Xuerong, Zeng, Yanhong, Luo, Lu
Format: Article
Language:English
Subjects:
blastocyst morphology
clinical pregnancy rate
euploidy
Morphology
ongoing pregnancy rate
Pregnancy
Preimplantation genetic testing
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Summary:Selection of high-quality blastocysts is the most important factor determining the success of assisted reproductive technology. The objective of this study is to assess the values of blastocyst morphological quality and development speed for predicting euploidy and clinical pregnancy outcome. A total of 155 preimplantation genetic testing cycles including 959 blastocysts and 154 euploid blastocyst transfer cycles conducted between January 2018 and December 2019 were retrospectively analysed. The associations of blastocyst morphological quality and development speed (D) with chromosomal status, clinical pregnancy rate, early miscarriage rate, and ongoing pregnancy rate were evaluated by univariate and multivariate regression. The euploidy rate of development speed D5 blastocysts was significantly greater than that of D6 blastocysts (61.4% vs. 38.1%,   D6 high-grade > D5 non-high-grade > D6 non-high-grade.
ISSN:0144-3615
1364-6893
DOI:10.1080/01443615.2024.2338235