Analysis of predictors of clinical pregnancy and live birth in patients with RIF treated with IVF-ET technology: a cohort study based on a propensity score approach

To investigate the predictors of clinical pregnancy and live birth rate in patients with recurrent embryo implantation failure (RIF) treated with fertilization-embryo transfer (IVF-ET) technique. This retrospective cohort study was conducted in Jinjiang District Maternal and Child Health Hospital, C...

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Veröffentlicht in:Frontiers in medicine 2024-04, Vol.11, p.1348733-1348733
Hauptverfasser: Jia, Yan, Ai, Zhonghua, Zhu, Xianglong, Che, Zhuohang, Pratikshya, Adhikari, Tang, Songyuan, Zhang, Qiong
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Sprache:eng
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Zusammenfassung:To investigate the predictors of clinical pregnancy and live birth rate in patients with recurrent embryo implantation failure (RIF) treated with fertilization-embryo transfer (IVF-ET) technique. This retrospective cohort study was conducted in Jinjiang District Maternal and Child Health Hospital, Chengdu City, Sichuan Province, China. Patients were recruited who were enrolled at this hospital between November 1, 2019 and August 31, 2022, and who met the following criteria: a frozen embryo transfer (FET) at day 5 or 6 blastocyst stage was performed and the number of transfer cycles was not less than two. We collected information on age, height, weight, number of embryo transfer cycles, and information related to clinical outcomes. We used the group of patients who underwent ERA testing as the study group and those who underwent FET only as the control group, and matched baseline characteristics between the two groups by propensity score to make them comparable. We compared the differences in clinical outcomes between the two groups and further explored predictors of pregnancy and live birth using survival analysis and COX regression modeling. The success rate of clinical pregnancy in RIF patients was 50.74% and the live birth rate was 33.09%. Patients in the FET group were less likely to achieve clinical pregnancy compared to the ERA group ( = 0.788, 95% 0.593-0.978, 3 previous implantation failures had a lower probability of achieving a clinical pregnancy ( = 0.058, 95% 0.026-0.128,
ISSN:2296-858X
2296-858X
DOI:10.3389/fmed.2024.1348733