Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles

Abstract This was a retrospective analysis of a total of 625 r-ICSI cycles using freeze-all-embryos and embryo transfers (ET) in subsequent cryopreservation-warming cycles to determine the effect of the ET method for day 1 rescue intracytoplasmic sperm injection cycles (r-ICSI). Two methods were use...

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Autores principales:	Ming Li, Qin Li, Ying Wang, Jin Huang, Ping Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/47f70d4e2bea4db996ef244fc1400240
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spelling	oai:doaj.org-article:47f70d4e2bea4db996ef244fc14002402021-12-02T14:27:46ZBlastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles10.1038/s41598-021-87693-y2045-2322https://doaj.org/article/47f70d4e2bea4db996ef244fc14002402021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-87693-yhttps://doaj.org/toc/2045-2322Abstract This was a retrospective analysis of a total of 625 r-ICSI cycles using freeze-all-embryos and embryo transfers (ET) in subsequent cryopreservation-warming cycles to determine the effect of the ET method for day 1 rescue intracytoplasmic sperm injection cycles (r-ICSI). Two methods were used: in method 1, cleavage-stage embryos were frozen and were directly transferred in a subsequent cryopreservation-warming cycle (r-ICSI frozen cleavage), and 144 cleavage-stage ETs occurred. Similarly, in method 2, there were 188 blastocyst-stage ETs (r-ICSI frozen blast) performed. The live birth rate (LBR) for r-ICSI frozen blast was better than that for r-ICSI frozen cleavage in calculation of ET cycles (19.44% vs. 37.77%) and also remained better after the use of logistic regression analysis (OR = 2.721, 95% CI 1.604–4.616). Conservative cumulative LBR were compared between r-ICSI frozen cleavage and r-ICSI frozen blast with regard to oocyte retrieval cycles (17.39% vs. 15.30%). The same results were obtained for conservative cumulative LBR after logistic regression analysis (OR = 0.925, 95% CI 0.557–1.535). The results of this study confirmed that it was valuable to perform r-ICSI if using freeze-all-embryos. Further, r-ICSI embryos were cultured to blastocyst stage, cryopreserved, and used in subsequent cryopreservation-warming cycles, which was an effective embryo transfer strategy and obtained satisfactory results.Ming LiQin LiYing WangJin HuangPing LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-7 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Ming Li Qin Li Ying Wang Jin Huang Ping Liu Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
description	Abstract This was a retrospective analysis of a total of 625 r-ICSI cycles using freeze-all-embryos and embryo transfers (ET) in subsequent cryopreservation-warming cycles to determine the effect of the ET method for day 1 rescue intracytoplasmic sperm injection cycles (r-ICSI). Two methods were used: in method 1, cleavage-stage embryos were frozen and were directly transferred in a subsequent cryopreservation-warming cycle (r-ICSI frozen cleavage), and 144 cleavage-stage ETs occurred. Similarly, in method 2, there were 188 blastocyst-stage ETs (r-ICSI frozen blast) performed. The live birth rate (LBR) for r-ICSI frozen blast was better than that for r-ICSI frozen cleavage in calculation of ET cycles (19.44% vs. 37.77%) and also remained better after the use of logistic regression analysis (OR = 2.721, 95% CI 1.604–4.616). Conservative cumulative LBR were compared between r-ICSI frozen cleavage and r-ICSI frozen blast with regard to oocyte retrieval cycles (17.39% vs. 15.30%). The same results were obtained for conservative cumulative LBR after logistic regression analysis (OR = 0.925, 95% CI 0.557–1.535). The results of this study confirmed that it was valuable to perform r-ICSI if using freeze-all-embryos. Further, r-ICSI embryos were cultured to blastocyst stage, cryopreserved, and used in subsequent cryopreservation-warming cycles, which was an effective embryo transfer strategy and obtained satisfactory results.
format	article
author	Ming Li Qin Li Ying Wang Jin Huang Ping Liu
author_facet	Ming Li Qin Li Ying Wang Jin Huang Ping Liu
author_sort	Ming Li
title	Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
title_short	Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
title_full	Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
title_fullStr	Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
title_full_unstemmed	Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
title_sort	blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/47f70d4e2bea4db996ef244fc1400240
work_keys_str_mv	AT mingli blastocystcryopreservationandcryopreservationwarmingtransferisaneffectiveembryotransferstrategyforday1rescueintracytoplasmicsperminjectioncycles AT qinli blastocystcryopreservationandcryopreservationwarmingtransferisaneffectiveembryotransferstrategyforday1rescueintracytoplasmicsperminjectioncycles AT yingwang blastocystcryopreservationandcryopreservationwarmingtransferisaneffectiveembryotransferstrategyforday1rescueintracytoplasmicsperminjectioncycles AT jinhuang blastocystcryopreservationandcryopreservationwarmingtransferisaneffectiveembryotransferstrategyforday1rescueintracytoplasmicsperminjectioncycles AT pingliu blastocystcryopreservationandcryopreservationwarmingtransferisaneffectiveembryotransferstrategyforday1rescueintracytoplasmicsperminjectioncycles
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Blastocyst cryopreservation and cryopreservation-warming transfer is an effective embryo transfer strategy for day 1 rescue intracytoplasmic sperm injection cycles

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