2024
Does recurrent implantation failure exist? Prevalence and outcomes of five consecutive euploid blastocyst transfers in 123 987 patients
Gill P, Ata B, Arnanz A, Cimadomo D, Vaiarelli A, Fatemi H, Ubaldi F, Garcia-Velasco J, Seli E. Does recurrent implantation failure exist? Prevalence and outcomes of five consecutive euploid blastocyst transfers in 123 987 patients. Human Reproduction 2024, 39: 974-980. PMID: 38452358, DOI: 10.1093/humrep/deae040.Peer-Reviewed Original ResearchEuploid blastocyst transferLive birth rateCumulative live birth rateBlastocyst transferEmbryo transferEuploid blastocystsImplant failureBirth ratePreimplantation genetic testing cyclesMulti-center retrospective studyDay of embryo transferCongenital uterine anomaliesEuploid embryo transferComprehensive chromosome screeningEndometrial preparation protocolsNon-obstructive azoospermiaModified natural cyclePositive pregnancy testOvarian stimulation protocolsRecurrent implantation failureParental karyotype abnormalitiesChromosome copy numberEuploid transfersTrophectoderm biopsyUterine anomalies
2021
Embryology outcomes after oocyte vitrification with super-cooled slush nitrogen are similar to outcomes with conventional liquid nitrogen: a randomized controlled trial
Hanson BM, Kim JG, Suarez SI, Ackerman BK, Comito CE, Pangasnan R, Seli E, Hong KH, Scott RT. Embryology outcomes after oocyte vitrification with super-cooled slush nitrogen are similar to outcomes with conventional liquid nitrogen: a randomized controlled trial. Fertility And Sterility 2021, 117: 106-114. PMID: 34654569, DOI: 10.1016/j.fertnstert.2021.08.043.Peer-Reviewed Original ResearchConceptsMetaphase II oocytesEmbryology outcomesOocyte survivalII oocytesOocyte donor cyclesOocyte survival ratePreimplantation genetic testingBlastocyst formationWhole chromosome aneuploidyChromosome aneuploidySecondary outcomesPrimary outcomeDonor cyclesDonor oocytesRate of fertilizationMAIN OUTCOMESurvival rateOocyte vitrificationTrophectoderm biopsyGenetic testingDonor spermPrivate practiceNext-generation sequencingOutcomesDemonstrable improvementIndividual culture leads to decreased blastocyst formation but does not affect pregnancy outcomes in the setting of a single, vitrified-warmed euploid blastocyst transfer
Glatthorn HN, Hanson BM, Kim JG, Herlihy NS, Klimczak AM, Hong KH, Seli E, Scott RT. Individual culture leads to decreased blastocyst formation but does not affect pregnancy outcomes in the setting of a single, vitrified-warmed euploid blastocyst transfer. Journal Of Assisted Reproduction And Genetics 2021, 38: 2157-2164. PMID: 34086147, PMCID: PMC8417170, DOI: 10.1007/s10815-021-02252-8.Peer-Reviewed Original ResearchConceptsEuploid blastocyst transferIntracytoplasmic sperm injectionPregnancy outcomesBlastocyst transferSignificant differencesBlastocyst formationSingle embryo transferMann-Whitney U testPreimplantation genetic testingLogistic regression modelsOvarian stimulationClinical miscarriageEuploid blastocystsSperm injectionEuploid embryosEmbryo transferTrophectoderm biopsyGenetic testingGroup embryo cultureU testSame time frameDecreased rateOutcomesMiscarriageFertilization rateNoninvasive preimplantation genetic testing for aneuploidy exhibits high rates of deoxyribonucleic acid amplification failure and poor correlation with results obtained using trophectoderm biopsy
Hanson BM, Tao X, Hong KH, Comito CE, Pangasnan R, Seli E, Jalas C, Scott RT. Noninvasive preimplantation genetic testing for aneuploidy exhibits high rates of deoxyribonucleic acid amplification failure and poor correlation with results obtained using trophectoderm biopsy. Fertility And Sterility 2021, 115: 1461-1470. PMID: 33745720, DOI: 10.1016/j.fertnstert.2021.01.028.Peer-Reviewed Original ResearchMeSH KeywordsAneuploidyBlastocystCulture MediaEmbryo Culture TechniquesEmbryo ImplantationEmbryo TransferFemaleFertilityHigh-Throughput Nucleotide SequencingHumansInfertilityLive BirthMaleNoninvasive Prenatal TestingNucleic Acid Amplification TechniquesPredictive Value of TestsPregnancyPregnancy RatePreimplantation DiagnosisReproducibility of ResultsSperm Injections, IntracytoplasmicTime FactorsTreatment OutcomeWhole Genome SequencingConceptsPreimplantation genetic testingGenetic testingBiopsy resultsProspective cohort study SETTINGTrophectoderm biopsyTE biopsyNoninvasive preimplantation genetic testingCohort study SETTINGNext-generation sequencingHigh ratePrimary outcomeClinical outcomesMAIN OUTCOMEBiopsyStudy settingAmplification failureDiscordant resultsClinical applicabilityPrivate practiceNiPGTAvailable kitsCulture mediumShort durationOutcomesCulture medium samples
2020
A multicenter, prospective, blinded, nonselection study evaluating the predictive value of an aneuploid diagnosis using a targeted next-generation sequencing–based preimplantation genetic testing for aneuploidy assay and impact of biopsy
Tiegs AW, Tao X, Zhan Y, Whitehead C, Kim J, Hanson B, Osman E, Kim TJ, Patounakis G, Gutmann J, Castelbaum A, Seli E, Jalas C, Scott RT. A multicenter, prospective, blinded, nonselection study evaluating the predictive value of an aneuploid diagnosis using a targeted next-generation sequencing–based preimplantation genetic testing for aneuploidy assay and impact of biopsy. Fertility And Sterility 2020, 115: 627-637. PMID: 32863013, DOI: 10.1016/j.fertnstert.2020.07.052.Peer-Reviewed Original ResearchConceptsPreimplantation genetic testingSustained implantationPredictive valueGenetic testingClinical outcomesTrophectoderm biopsyAge-matched control groupImpact of biopsyPGT-A resultsAntral follicle countRecurrent pregnancy lossBody mass indexDetectable adverse impactAneuploid resultsSecondary outcomesFertilization cyclesFollicle countPrimary outcomeMass indexUsable blastocystsBlastocyst transferFertility centerPregnancy lossClinical error ratesStudy groupMitochondrial DNA content is not predictive of reproductive competence in euploid blastocysts
Scott RT, Sun L, Zhan Y, Marin D, Tao X, Seli E. Mitochondrial DNA content is not predictive of reproductive competence in euploid blastocysts. Reproductive BioMedicine Online 2020, 41: 183-190. PMID: 32600944, DOI: 10.1016/j.rbmo.2020.04.011.Peer-Reviewed Original ResearchConceptsRelative mtDNA copy numberSingle embryo transferMitochondrial DNA copy numberMtDNA copy numberEmbryo transferSuccessful single embryo transferDNA copy numberRelative mtDNA levelsHuman blastocystsReal-time polymerase chain reactionQuantitative real-time polymerase chain reactionReproductive competenceIVF outcomesMaternal ageOngoing implantationPolymerase chain reactionEuploid blastocystsMitochondrial DNA contentReproductive outcomesSame patientClinical decisionTrophectoderm biopsySame cohortAmount of mtDNACopy number