How general semen quality influences the blastocyst formation rate: Analysis of 4205 IVF cycles

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dc.citation.issue2
dc.citation.volumev. 22
dc.contributor.authorPiccolomini, Mariana M.
dc.contributor.authorBonetti, Tatiana Carvalho de Souza [UNIFESP]
dc.contributor.authorMotta, Eduardo Leme Alves da [UNIFESP]
dc.contributor.authorSerafini, Paulo Cesar [UNIFESP]
dc.contributor.authorAlegretti, Jose Roberto [UNIFESP]
dc.coverageRibeirao
dc.date.accessioned2020-07-20T16:31:01Z
dc.date.available2020-07-20T16:31:01Z
dc.date.issued2018
dc.description.abstractObjective: To select embryos with higher implantation potential, the extended culture has been the most frequently applied strategy worldwide, and consequently leads to higher live birth rates per transfer. Sperm quality is a determining feature, and it may influence the outcomes of IVF from fertilization to embryo development. Therefore, we hypothesize that blastocyst formation may also be impaired by general semen quality. Methods: We analyzed 4205 IVF cycles. Four study groups were designed according to semen quality: normal, mild alteration, severe alteration and epididymis. All cycles were intended to extend embryo culture until the blastocyst stage, and embryo development was evaluated. Results: Regarding cleavage rate, the normal and mild alteration semen groups were equivalent, and the severe alteration and epididymis semen groups were equivalent to each other. The blastocyst formation rate decreased with semen quality. At least one blastocyst formed in 79.9% of cycles for the normal semen group, whereas the percentage of cycles with the formation of at least one blastocyst was slightly lower for the mild alteration (75.6%), severe alteration (76.4%) and epididymis (76.8%) semen groups. A multivariate logistic regression showed that for each additional cleaved embryo on day 3, the chance of having at least one blastocyst doubles. Additionally, the chance of having at least one blastocyst decreased when semen presented mild or severe alterations. Conclusion: The general quality of sperm is a good predictor of blastocyst formation, significantly affecting the likelihood of having at least one blastocyst at the end of the cycle. Based on our findings, it is necessary to consider general semen quality and the number of cleaved embryos when forecasting the possibility of blastocyst formation and transfer in an extended culture system.en
dc.description.affiliationHuntington Med Reprod, Sao Paulo, Brazil
dc.description.affiliationUniv Fed Sao Paulo UNIFESP, EPM, Dept Ginecol, Disciplina Ginecol Endocrinol, Sao Paulo, Brazil
dc.description.affiliationUniv Sao Paulo FMUSP, Fac Med, Dept Obstet & Ginecol, Disciplina Ginecol, Sao Paulo, Brazil
dc.description.affiliationUnifespUniv Fed Sao Paulo UNIFESP, EPM, Dept Ginecol, Disciplina Ginecol Endocrinol, Sao Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent89-94
dc.identifierhttps://www.jbra.com.br/media/html/JBRA1307.html
dc.identifier.citationJornal Brasileiro De Reproducao Assistida. Ribeirao, v. 22, n. 2, p. 89-94, 2018.
dc.identifier.doi10.5935/1518-0557.20180022
dc.identifier.fileWOS000433375900004.pdf
dc.identifier.issn1517-5693
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/55649
dc.identifier.wosWOS:000433375900004
dc.language.isoeng
dc.publisherSoc Brasileira Reproducao Assistida-Sbra
dc.relation.ispartofJornal Brasileiro De Reproducao Assistida
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectblastocyst formation rateen
dc.subjectsemen qualityen
dc.subjectembryo transferen
dc.subjectin vitro fertilizationen
dc.titleHow general semen quality influences the blastocyst formation rate: Analysis of 4205 IVF cyclesen
dc.typeinfo:eu-repo/semantics/article
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