Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study

Introduction: We explored the association between clinical outcomes and the cleavage rate of day-3 cleavage slow-growing embryos after overnight culture. Methods: The data collected from 303 frozen embryo transfer (FET) cycles with 606 4-cell or 5-cell embryos cultured overnight (18–22 h) after thaw...

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Main Authors: Lan Geng, Xinran Lin, Rang Liu, Jiahui Wu, Yongsheng Luo, Hongmei Sun, Zhenhui Hou, Qiuju Zhang, Chang Xu, Xiao Li, Canhui Cao, Tianren Wang, Xi Xia
Format: Article
Language:English
Published: MDPI AG 2022-07-01
Series:Journal of Clinical Medicine
Subjects:
Online Access:https://www.mdpi.com/2077-0383/11/15/4417
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author Lan Geng
Xinran Lin
Rang Liu
Jiahui Wu
Yongsheng Luo
Hongmei Sun
Zhenhui Hou
Qiuju Zhang
Chang Xu
Xiao Li
Canhui Cao
Tianren Wang
Xi Xia
author_facet Lan Geng
Xinran Lin
Rang Liu
Jiahui Wu
Yongsheng Luo
Hongmei Sun
Zhenhui Hou
Qiuju Zhang
Chang Xu
Xiao Li
Canhui Cao
Tianren Wang
Xi Xia
author_sort Lan Geng
collection DOAJ
description Introduction: We explored the association between clinical outcomes and the cleavage rate of day-3 cleavage slow-growing embryos after overnight culture. Methods: The data collected from 303 frozen embryo transfer (FET) cycles with 606 4-cell or 5-cell embryos cultured overnight (18–22 h) after thawing were analyzed. Based on the growth rate after the overnight culture, the embryos were divided into three groups: no embryo reaching eight cells (Group I), either one of the two embryos reaching eight cells (Group II), and both two embryos reaching eight cells or more (Group III). A statistical analysis of the different clinical outcomes from the three groups was performed. Results: Biochemical pregnancy rate (OR 3.22; <i>p</i> = 0.001), implantation rate (OR 2.44; <i>p</i> = 0.002), clinical pregnancy rate (OR 3.04; <i>p</i> = 0.001), ongoing pregnancy rate (OR 3.14; <i>p</i> = 0.001), and live birth rate (OR 2.78; <i>p</i> = 0.004) were significantly higher in Group III as compared to Group I. Group II had a significantly higher biochemical pregnancy rate (OR 2.02; <i>p</i> = 0.013) and implantation rate (OR 1.77; <i>p</i> = 0.019) than Group I. Conclusions: The capability of day-3 cleavage slow-growing embryos to reach eight cells, especially that of two embryos reaching eight cells by overnight culture, appear to result in a better pregnancy outcome.
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spelling doaj.art-cbee2129a5244fa9b01ffe9e9f597df52023-12-03T12:43:06ZengMDPI AGJournal of Clinical Medicine2077-03832022-07-011115441710.3390/jcm11154417Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective StudyLan Geng0Xinran Lin1Rang Liu2Jiahui Wu3Yongsheng Luo4Hongmei Sun5Zhenhui Hou6Qiuju Zhang7Chang Xu8Xiao Li9Canhui Cao10Tianren Wang11Xi Xia12Center for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaMedical College, Shantou University Medical College, Shantou 515063, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaDepartment of Gynecology, Shenzhen Maternity & Child Healthcare Hospital, Shenzhen 518000, ChinaQuality Control Department, The Second People’s Hospital of Futian District, Shenzhen 518000, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaShenzhen Health Capacity Building and Continuing Education Center, Shenzhen 518000, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaCenter for Reproductive Medicine, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518000, ChinaCenter for Reproductive Medicine, Peking University Shenzhen Hospital, Shenzhen 518000, ChinaIntroduction: We explored the association between clinical outcomes and the cleavage rate of day-3 cleavage slow-growing embryos after overnight culture. Methods: The data collected from 303 frozen embryo transfer (FET) cycles with 606 4-cell or 5-cell embryos cultured overnight (18–22 h) after thawing were analyzed. Based on the growth rate after the overnight culture, the embryos were divided into three groups: no embryo reaching eight cells (Group I), either one of the two embryos reaching eight cells (Group II), and both two embryos reaching eight cells or more (Group III). A statistical analysis of the different clinical outcomes from the three groups was performed. Results: Biochemical pregnancy rate (OR 3.22; <i>p</i> = 0.001), implantation rate (OR 2.44; <i>p</i> = 0.002), clinical pregnancy rate (OR 3.04; <i>p</i> = 0.001), ongoing pregnancy rate (OR 3.14; <i>p</i> = 0.001), and live birth rate (OR 2.78; <i>p</i> = 0.004) were significantly higher in Group III as compared to Group I. Group II had a significantly higher biochemical pregnancy rate (OR 2.02; <i>p</i> = 0.013) and implantation rate (OR 1.77; <i>p</i> = 0.019) than Group I. Conclusions: The capability of day-3 cleavage slow-growing embryos to reach eight cells, especially that of two embryos reaching eight cells by overnight culture, appear to result in a better pregnancy outcome.https://www.mdpi.com/2077-0383/11/15/4417slow-growing embryoovernight culturefrozen embryo transfercleavage rate
spellingShingle Lan Geng
Xinran Lin
Rang Liu
Jiahui Wu
Yongsheng Luo
Hongmei Sun
Zhenhui Hou
Qiuju Zhang
Chang Xu
Xiao Li
Canhui Cao
Tianren Wang
Xi Xia
Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study
Journal of Clinical Medicine
slow-growing embryo
overnight culture
frozen embryo transfer
cleavage rate
title Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study
title_full Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study
title_fullStr Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study
title_full_unstemmed Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study
title_short Clinical Outcome of Day-3 Cleavage Slow-Growing Embryos at Different Cleavage Rates after Overnight Culture: A Cohort Retrospective Study
title_sort clinical outcome of day 3 cleavage slow growing embryos at different cleavage rates after overnight culture a cohort retrospective study
topic slow-growing embryo
overnight culture
frozen embryo transfer
cleavage rate
url https://www.mdpi.com/2077-0383/11/15/4417
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