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Ye Yin, Ge Chen, Kezhen Li, Qiuyue Liao, Sijia Zhang, Nieying Ma, Jing Chen, Yan Zhang, Jihui Ai
Frontiers of Medicine 2017, Volume 11, Issue 4, Pages 563-569 doi: 10.1007/s11684-017-0535-6
The superiority of the cumulative outcomes of day 5/6 embryo transfer to those of day 2/3 embryo transfer in infertile couples has been debated. This retrospective study included data collected from 1051 patients from July 2011 to June 2014. Multiple maternal baseline covariates were subjected to propensity score matching analysis, and each day 5/6 group woman was matched to one day 2/3 group woman. A systematic meta-analysis was conducted to validate the results. After matching was completed, 217 patients on the day 2/3 group were matched with those on the day 5/6 group, and no significant differences in the baseline characteristics were observed between the two groups. The cumulative pregnancy rate (57.14% vs. 53.46%, OR 1.16, 95% CI 0.79–1.70) and cumulative live birth rate (53.00% vs. 49.77%, OR 1.14, 95% CI 0.78–1.66) of day 5/6 embryo transfers were higher than those of day 2/3 embryo transfers, but this difference was not significant. The mean cycles per live birth and mean days per live birth in the day 5/6 group were significantly lower than those in the day 2/3 group. This study demonstrated that day 5/6 embryo transfer is a more cost-effective and time-efficient policy than day 2/3 embryo transfer to produce a live baby.
Keywords: blastocyst embryo transfer cumulative pregnancy rate cumulative live birth rate IVF
Factors influencing the somatic cell nuclear transfer efficiency in pigs
Yong JIN, Manling ZHANG, Xinrong JU, Shuang LIANG, Qiang XIONG, Lihua ZHAO, Xiaowei NIE, Daorong HOU, Qiang LIU, Junzheng WANG, Chenyu WANG, Xiaokang LI, Lining ZHANG, Xiaorui LIU, Ying WANG, Haiyuan YANG, Yifan DAI, Rongfeng LI
Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 1, Pages 73-80 doi: 10.15302/J-FASE-2018220
Keywords: blastocyst donor cell estrus synchronization pregnancy rate pig cloning somatic cell nuclear transfer
Title Author Date Type Operation
Propensity score-matched study and meta-analysis of cumulative outcomes of day 2/3 versus day 5/6 embryo transfers
Ye Yin, Ge Chen, Kezhen Li, Qiuyue Liao, Sijia Zhang, Nieying Ma, Jing Chen, Yan Zhang, Jihui Ai
Journal Article
Factors influencing the somatic cell nuclear transfer efficiency in pigs
Yong JIN, Manling ZHANG, Xinrong JU, Shuang LIANG, Qiang XIONG, Lihua ZHAO, Xiaowei NIE, Daorong HOU, Qiang LIU, Junzheng WANG, Chenyu WANG, Xiaokang LI, Lining ZHANG, Xiaorui LIU, Ying WANG, Haiyuan YANG, Yifan DAI, Rongfeng LI
Journal Article