Higher implantation and live birth rates with laser zona pellucida breaching than thinning in single frozen-thawed blastocyst transfer
While zona pellucida (ZP) breaching of day-3 frozen blastocysts embryos can increase the blastocyst hatching rate, compared with ZP thinning, the pregnancy and implantation rates are similar. The aim of this study was to compare pregnancy outcomes and the risks associated with frozen–thawed blastocy...
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| Veröffentlicht in: | Lasers in medical science 2020-08, Vol.35 (6), p.1349-1355 |
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| creator | Liu, Chengjun Su, Ketong Shang, Wei Ji, Huili Yuan, Chenfeng Cao, Maosheng Li, Chunjin Zhou, Xu |
| description | While zona pellucida (ZP) breaching of day-3 frozen blastocysts embryos can increase the blastocyst hatching rate, compared with ZP thinning, the pregnancy and implantation rates are similar. The aim of this study was to compare pregnancy outcomes and the risks associated with frozen–thawed blastocysts between laser ZP breaching and laser ZP thinning. For the thinning group, ZP of thawed blastocyst was thinned to a length of 30–40 μm using laser between January 2013 and October 2015. On the other hand, for the breaching group, thawed blastocysts were breached with a 60–80 μm hole in the ZP using laser between November 2015 and April 2018. The implantation rate of ZP breaching (72.7%) was higher than that of ZP thinning (61.8%). In single frozen blastocyst transfer, the implantation rate, clinical pregnancy rate, and live birth rate of ZP breaching (73.9%, 73.9%, 61.8%, respectively) were significantly higher than those of ZP thinning (60.9%, 60.9%, 46.7%, respectively). The abortion rate, preterm birth rate, congenital malformation, birth defects, and birth weight did not significantly differ between the two groups. In conclusion, laser assisted hatching during single frozen blastocyst transfer using ZP breaching exhibit higher implantation, pregnancy, and live birth rates compared with ZP thinning. No significant differences were observed between the two assisted hatching methods in terms of adverse effects on pregnancy and newborns. |
| doi_str_mv | 10.1007/s10103-019-02946-7 |
| format | Article |
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The aim of this study was to compare pregnancy outcomes and the risks associated with frozen–thawed blastocysts between laser ZP breaching and laser ZP thinning. For the thinning group, ZP of thawed blastocyst was thinned to a length of 30–40 μm using laser between January 2013 and October 2015. On the other hand, for the breaching group, thawed blastocysts were breached with a 60–80 μm hole in the ZP using laser between November 2015 and April 2018. The implantation rate of ZP breaching (72.7%) was higher than that of ZP thinning (61.8%). In single frozen blastocyst transfer, the implantation rate, clinical pregnancy rate, and live birth rate of ZP breaching (73.9%, 73.9%, 61.8%, respectively) were significantly higher than those of ZP thinning (60.9%, 60.9%, 46.7%, respectively). The abortion rate, preterm birth rate, congenital malformation, birth defects, and birth weight did not significantly differ between the two groups. In conclusion, laser assisted hatching during single frozen blastocyst transfer using ZP breaching exhibit higher implantation, pregnancy, and live birth rates compared with ZP thinning. No significant differences were observed between the two assisted hatching methods in terms of adverse effects on pregnancy and newborns.</description><identifier>ISSN: 0268-8921</identifier><identifier>EISSN: 1435-604X</identifier><identifier>DOI: 10.1007/s10103-019-02946-7</identifier><identifier>PMID: 31897814</identifier><language>eng</language><publisher>London: Springer London</publisher><subject>Birth defects ; Birth rate ; Birth weight ; Blastocysts ; Childbirth & labor ; Congenital defects ; Dentistry ; Embryos ; Hatching ; Health risk assessment ; Implantation ; Lasers ; Medicine ; Medicine & Public Health ; Neonates ; Optical Devices ; Optics ; Original Article ; Photonics ; Pregnancy ; Premature birth ; Quantum Optics ; Thinning ; Zona pellucida</subject><ispartof>Lasers in medical science, 2020-08, Vol.35 (6), p.1349-1355</ispartof><rights>Springer-Verlag London Ltd., part of Springer Nature 2020</rights><rights>Springer-Verlag London Ltd., part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-d04f689bff2f417394e4ef1419dadb36887f23ac73dd7913153a5e14d4865f9e3</citedby><cites>FETCH-LOGICAL-c375t-d04f689bff2f417394e4ef1419dadb36887f23ac73dd7913153a5e14d4865f9e3</cites><orcidid>0000-0003-2698-5357</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10103-019-02946-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10103-019-02946-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31897814$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Chengjun</creatorcontrib><creatorcontrib>Su, Ketong</creatorcontrib><creatorcontrib>Shang, Wei</creatorcontrib><creatorcontrib>Ji, Huili</creatorcontrib><creatorcontrib>Yuan, Chenfeng</creatorcontrib><creatorcontrib>Cao, Maosheng</creatorcontrib><creatorcontrib>Li, Chunjin</creatorcontrib><creatorcontrib>Zhou, Xu</creatorcontrib><title>Higher implantation and live birth rates with laser zona pellucida breaching than thinning in single frozen-thawed blastocyst transfer</title><title>Lasers in medical science</title><addtitle>Lasers Med Sci</addtitle><addtitle>Lasers Med Sci</addtitle><description>While zona pellucida (ZP) breaching of day-3 frozen blastocysts embryos can increase the blastocyst hatching rate, compared with ZP thinning, the pregnancy and implantation rates are similar. The aim of this study was to compare pregnancy outcomes and the risks associated with frozen–thawed blastocysts between laser ZP breaching and laser ZP thinning. For the thinning group, ZP of thawed blastocyst was thinned to a length of 30–40 μm using laser between January 2013 and October 2015. On the other hand, for the breaching group, thawed blastocysts were breached with a 60–80 μm hole in the ZP using laser between November 2015 and April 2018. The implantation rate of ZP breaching (72.7%) was higher than that of ZP thinning (61.8%). In single frozen blastocyst transfer, the implantation rate, clinical pregnancy rate, and live birth rate of ZP breaching (73.9%, 73.9%, 61.8%, respectively) were significantly higher than those of ZP thinning (60.9%, 60.9%, 46.7%, respectively). The abortion rate, preterm birth rate, congenital malformation, birth defects, and birth weight did not significantly differ between the two groups. In conclusion, laser assisted hatching during single frozen blastocyst transfer using ZP breaching exhibit higher implantation, pregnancy, and live birth rates compared with ZP thinning. No significant differences were observed between the two assisted hatching methods in terms of adverse effects on pregnancy and newborns.</description><subject>Birth defects</subject><subject>Birth rate</subject><subject>Birth weight</subject><subject>Blastocysts</subject><subject>Childbirth & labor</subject><subject>Congenital defects</subject><subject>Dentistry</subject><subject>Embryos</subject><subject>Hatching</subject><subject>Health risk assessment</subject><subject>Implantation</subject><subject>Lasers</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Neonates</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Original Article</subject><subject>Photonics</subject><subject>Pregnancy</subject><subject>Premature birth</subject><subject>Quantum Optics</subject><subject>Thinning</subject><subject>Zona 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thinning in single frozen-thawed blastocyst transfer</atitle><jtitle>Lasers in medical science</jtitle><stitle>Lasers Med Sci</stitle><addtitle>Lasers Med Sci</addtitle><date>2020-08-01</date><risdate>2020</risdate><volume>35</volume><issue>6</issue><spage>1349</spage><epage>1355</epage><pages>1349-1355</pages><issn>0268-8921</issn><eissn>1435-604X</eissn><abstract>While zona pellucida (ZP) breaching of day-3 frozen blastocysts embryos can increase the blastocyst hatching rate, compared with ZP thinning, the pregnancy and implantation rates are similar. The aim of this study was to compare pregnancy outcomes and the risks associated with frozen–thawed blastocysts between laser ZP breaching and laser ZP thinning. For the thinning group, ZP of thawed blastocyst was thinned to a length of 30–40 μm using laser between January 2013 and October 2015. On the other hand, for the breaching group, thawed blastocysts were breached with a 60–80 μm hole in the ZP using laser between November 2015 and April 2018. The implantation rate of ZP breaching (72.7%) was higher than that of ZP thinning (61.8%). In single frozen blastocyst transfer, the implantation rate, clinical pregnancy rate, and live birth rate of ZP breaching (73.9%, 73.9%, 61.8%, respectively) were significantly higher than those of ZP thinning (60.9%, 60.9%, 46.7%, respectively). The abortion rate, preterm birth rate, congenital malformation, birth defects, and birth weight did not significantly differ between the two groups. In conclusion, laser assisted hatching during single frozen blastocyst transfer using ZP breaching exhibit higher implantation, pregnancy, and live birth rates compared with ZP thinning. No significant differences were observed between the two assisted hatching methods in terms of adverse effects on pregnancy and newborns.</abstract><cop>London</cop><pub>Springer London</pub><pmid>31897814</pmid><doi>10.1007/s10103-019-02946-7</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0003-2698-5357</orcidid></addata></record> |
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| ispartof | Lasers in medical science, 2020-08, Vol.35 (6), p.1349-1355 |
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| subjects | Birth defects Birth rate Birth weight Blastocysts Childbirth & labor Congenital defects Dentistry Embryos Hatching Health risk assessment Implantation Lasers Medicine Medicine & Public Health Neonates Optical Devices Optics Original Article Photonics Pregnancy Premature birth Quantum Optics Thinning Zona pellucida |
| title | Higher implantation and live birth rates with laser zona pellucida breaching than thinning in single frozen-thawed blastocyst transfer |
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