2025
O-147 Biochemical or clinical pregnancy loss following the first embryo frozen transfer does not increase the risk of pregnancy loss in the subsequent embryo transfer
Barrett F, Kalafat E, Margolis C, Werner M, Ata B, Seli E. O-147 Biochemical or clinical pregnancy loss following the first embryo frozen transfer does not increase the risk of pregnancy loss in the subsequent embryo transfer. Human Reproduction 2025, 40: deaf097.147. DOI: 10.1093/humrep/deaf097.147.Peer-Reviewed Original ResearchRisk of pregnancy lossEuploid embryosImplant failurePregnancy lossEndometrial thicknessEmbryo transferUltrasound evidenceSerum beta-hCG levelsIncreased risk of pregnancy lossDay of blastulationMedian endometrial thicknessBeta-hCG levelsRisk of aneuploidyClinical pregnancy lossRisk of recurrenceRetrospective cohort studyEvidence of pregnancyPearson chi-square testRate of livebirthsEmbryo-fetalEuploid transfersGestational sacFET cyclesBeta-hCGChi-square test
2021
Live Birth with or without Preimplantation Genetic Testing for Aneuploidy
Yan J, Qin Y, Zhao H, Sun Y, Gong F, Li R, Sun X, Ling X, Li H, Hao C, Tan J, Yang J, Zhu Y, Liu F, Chen D, Wei D, Lu J, Ni T, Zhou W, Wu K, Gao Y, Shi Y, Lu Y, Zhang T, Wu W, Ma X, Ma H, Fu J, Zhang J, Meng Q, Zhang H, Legro R, Chen Z. Live Birth with or without Preimplantation Genetic Testing for Aneuploidy. New England Journal Of Medicine 2021, 385: 2047-2058. PMID: 34818479, DOI: 10.1056/nejmoa2103613.Peer-Reviewed Original ResearchConceptsConventional in vitro fertilizationCumulative live birth rateLive birth rateIn vitro fertilizationGood-quality blastocystsPGT-A groupPGT-APreimplantation genetic testingLive birthsGenetic testingClinical pregnancy lossImprove pregnancy outcomesInitial embryo transferEmbryo-transfer proceduresYears of ageNeonatal complicationsPregnancy outcomesSubfertile womenEmbryo transferAdverse eventsPregnancy lossNoninferiority marginEmbryo selectionPrimary outcomeBlastocyst
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