2023
Prednisone vs Placebo and Live Birth in Patients With Recurrent Implantation Failure Undergoing In Vitro Fertilization
Sun Y, Cui L, Lu Y, Tan J, Dong X, Ni T, Yan J, Guan Y, Hao G, Liu J, Zhang B, Wei D, Hong Y, He Y, Qi J, Xu B, Lu J, Zhang Q, Zhao S, Ji X, Du X, Zhang J, Liu J, Wang J, Huang Y, Huang D, Du Y, Vankelecom H, Zhang H, Chen Z. Prednisone vs Placebo and Live Birth in Patients With Recurrent Implantation Failure Undergoing In Vitro Fertilization. JAMA 2023, 329: 1460-1468. PMID: 37129654, PMCID: PMC10155063, DOI: 10.1001/jama.2023.5302.Peer-Reviewed Original ResearchConceptsRecurrent implantation failureFrozen-thawed embryo transferBiochemical pregnancy lossLive birthsImplant failurePlacebo groupPrednisone groupPreterm deliveryEmbryo transferPregnancy lossRisk of preterm deliveryRates of biochemical pregnancyEmbryo transfer cyclesGood-quality embryosLive birth rateLive birth outcomesTreatment of recurrent implantation failureStatistically significant between-group differencesHistory of 2Randomized clinical trialsProbability of implantationImmune-regulatory agentSignificant between-group differencesNeonatal complicationsWeeks gestation
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
2020
Live birth after a freeze-only strategy versus fresh embryo transfer in three randomized trials considering progesterone concentration
Yu Y, Zhao S, Li Y, Niu Y, Wei D, Zhang S, Chen ZJ, Zhang H, Legro RS. Live birth after a freeze-only strategy versus fresh embryo transfer in three randomized trials considering progesterone concentration. Reproductive BioMedicine Online 2020, 41: 395-401. PMID: 32600942, DOI: 10.1016/j.rbmo.2020.04.021.Peer-Reviewed Original ResearchMeSH KeywordsAdultBirth RateCryopreservationEmbryo TransferFemaleFertilization in VitroFreezingHumansLive BirthOvulation InductionPregnancyPregnancy RateProgesteroneConceptsLive birth rateFresh embryo transferProgesterone concentrationsEmbryo transferOvulatory womenRandomized trialsBirth rateHuman chorionic gonadotrophin (HCG) administrationFresh embryo transfer groupCleavage-stage embryo transferFreeze-only strategyHigh ovarian responseInitial embryo transferPolycystic ovary syndromeChorionic gonadotrophin administrationEmbryo transfer groupFrozen embryo transferSingle blastocyst transferBetween-group differencesClinical pregnancyGonadotrophin administrationHCG administrationOvarian responseOvary syndromePrimary outcome
2019
Lower antimüllerian hormone is associated with lower oocyte yield but not live-birth rate among women with obesity
Vitek W, Sun F, Baker VL, Styer AK, Christianson MS, Stern JE, Zhang H, Polotsky AJ. Lower antimüllerian hormone is associated with lower oocyte yield but not live-birth rate among women with obesity. American Journal Of Obstetrics And Gynecology 2019, 222: 363.e1-363.e7. PMID: 31589862, PMCID: PMC8022853, DOI: 10.1016/j.ajog.2019.09.046.Peer-Reviewed Original ResearchConceptsNormal body mass indexAntimüllerian hormone levelsLower antimüllerian hormoneBody mass indexLower oocyte yieldLive birth rateAntimüllerian hormoneLow ovarian reserveOocyte yieldMass indexHormone levelsOvarian reserveBody mass index 18.5Low antimüllerian hormone levelsAssisted Reproductive Technology Clinic Outcome Reporting System databaseLower live birth ratesClass 3 obesitySerum antimüllerian hormoneClass 1 obesityClass 2 obesityNumber of oocytesSmall antral folliclesReporting System databaseNormal BMIRetrospective cohort
2018
The Effect of Supraphysiological Estradiol on Pregnancy Outcomes Differs Between Women With PCOS and Ovulatory Women
Wei D, Yu Y, Sun M, Shi Y, Sun Y, Deng X, Li J, Wang Z, Zhao S, Zhang H, Legro RS, Chen ZJ. The Effect of Supraphysiological Estradiol on Pregnancy Outcomes Differs Between Women With PCOS and Ovulatory Women. The Journal Of Clinical Endocrinology & Metabolism 2018, 103: 2735-2742. PMID: 29718297, DOI: 10.1210/jc.2018-00613.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeFrozen embryo transferFresh embryo transferLive birth rateOvulatory womenOvarian stimulationEmbryo transferSupraphysiological estradiolPregnancy outcomesEstradiol levelsBirth ratePeak estradiol levelsMulticenter Randomized TrialSimilar study designPCOS womenOvary syndromeOvarian responsePrimary outcomeRandomized trialsEstradiol exposureLive birthsMAIN OUTCOMEEmbryo implantationPg/Secondary analysisTransfer of Fresh versus Frozen Embryos in Ovulatory Women
Shi Y, Sun Y, Hao C, Zhang H, Wei D, Zhang Y, Zhu Y, Deng X, Qi X, Li H, Ma X, Ren H, Wang Y, Zhang D, Wang B, Liu F, Wu Q, Wang Z, Bai H, Li Y, Zhou Y, Sun M, Liu H, Li J, Zhang L, Chen X, Zhang S, Sun X, Legro R, Chen Z. Transfer of Fresh versus Frozen Embryos in Ovulatory Women. New England Journal Of Medicine 2018, 378: 126-136. PMID: 29320646, DOI: 10.1056/nejmoa1705334.Peer-Reviewed Original ResearchConceptsFresh embryo transferFrozen embryo transferLive birth rateOvarian hyperstimulation syndromeHyperstimulation syndromeElective frozen embryo transferOvulatory womenFrozen-embryo groupFresh embryo groupIn vitro fertilization cyclesHigher live birth ratesPolycystic ovary syndromeRate of implantsCleavage-stage embryosOverall pregnancy lossAnovulatory womenNeonatal complicationsClinical pregnancyOngoing pregnancyFrozen embryosEmbryo cryopreservationBetween-group differencesEmbryo transferLive birthsFertilization cycles
2017
Effect of Preconception Impaired Glucose Tolerance on Pregnancy Outcomes in Women With Polycystic Ovary Syndrome
Wei D, Zhang B, Shi Y, Zhang L, Zhao S, Du Y, Xu L, Legro RS, Zhang H, Chen ZJ. Effect of Preconception Impaired Glucose Tolerance on Pregnancy Outcomes in Women With Polycystic Ovary Syndrome. The Journal Of Clinical Endocrinology & Metabolism 2017, 102: 3822-3829. PMID: 28938429, DOI: 10.1210/jc.2017-01294.Peer-Reviewed Original ResearchConceptsOral glucose tolerance testPolycystic ovary syndromePregnancy outcomesI-IFGOvary syndromeGlucose toleranceHigh riskIntrinsic insulin resistanceAdverse pregnancy outcomesTotal testosterone levelsDuration of infertilityImpaired glucose tolerancePregnancy loss rateBody mass indexFrozen embryo transferGlucose tolerance testMain outcome measuresGestational diabetesObstetric complicationsSingleton newbornsSingleton pregnanciesGestational ageMass indexTwin pregnanciesInsulin levels
2016
Effect of pretreatment with oral contraceptives and progestins on IVF outcomes in women with polycystic ovary syndrome
Wei D, Shi Y, Li J, Wang Z, Zhang L, Sun Y, Zhou H, Xu Y, Wu C, Liu L, Wu Q, Zhuang L, Du Y, Li W, Zhang H, Legro RS, Chen ZJ. Effect of pretreatment with oral contraceptives and progestins on IVF outcomes in women with polycystic ovary syndrome. Human Reproduction 2016, 32: 354-361. PMID: 27999118, PMCID: PMC5870982, DOI: 10.1093/humrep/dew325.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeFrozen embryo transferFresh embryo transferLive birth rateGnRH antagonist protocolOral contraceptivesSpontaneous mensesRate of pregnancyLive birthsEmbryo transferMenses inductionAntagonist protocolIVF cyclesOvarian stimulationOvary syndromePregnancy lossBirth rateMultivariate logistic regression analysisStudy designHigher pregnancy loss rateObese PCOS womenPregnancy loss rateSimilar pregnancy ratesPARTICIPANTS/MATERIALSLogistic regression analysis
2014
Live birth after fresh embryo transfer vs elective embryo cryopreservation/frozen embryo transfer in women with polycystic ovary syndrome undergoing IVF (FreFro-PCOS): study protocol for a multicenter, prospective, randomized controlled clinical trial
Shi Y, Wei D, Liang X, Sun Y, Liu J, Cao Y, Zhang B, Legro RS, Zhang H, Chen ZJ. Live birth after fresh embryo transfer vs elective embryo cryopreservation/frozen embryo transfer in women with polycystic ovary syndrome undergoing IVF (FreFro-PCOS): study protocol for a multicenter, prospective, randomized controlled clinical trial. Trials 2014, 15: 154. PMID: 24885793, PMCID: PMC4022358, DOI: 10.1186/1745-6215-15-154.Peer-Reviewed Original ResearchConceptsFrozen-thawed embryo transferElective embryo cryopreservationFresh embryo transferLive birth rateEmbryo transferPCOS patientsPregnancy complicationsOocyte retrievalClinical trialsEmbryo cryopreservationMethods/designThis studyInfertile PCOS patientsClinical pregnancy ratePolycystic ovary syndromeFrozen embryo transferIntracytoplasmic sperm injectionBirth rateOvary syndromePregnancy outcomesPrimary outcomeAbnormal implantationPregnancy lossParallel groupPregnancy rateGroup B