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 rate