2023
Moderate and increased physical activity is not detrimental to live birth rates among women with unexplained infertility and obesity
Vitek W, Sun F, Cardozo E, Hoeger K, Hansen K, Santoro N, Zhang H, Legro R. Moderate and increased physical activity is not detrimental to live birth rates among women with unexplained infertility and obesity. F&S Reports 2023, 4: 308-312. PMID: 37719091, PMCID: PMC10504528, DOI: 10.1016/j.xfre.2023.06.004.Peer-Reviewed Original ResearchLive birth rateSteps/dayPhysical activityInfertility trialsLifestyle modificationUnexplained infertilityObese womenBirth rateClomiphene citrate treatmentUS fertility centersClinical pregnancy rateLifestyle modification programTime of enrollmentModerate physical activityPhysical activity goalsMiscarriage rateFertility centerIntrauterine inseminationFitbit activity trackerPregnancy rateSecondary analysisCitrate treatmentActivity goalsModification programWomen
2020
Pregnancy registry: three-year follow-up of children conceived from letrozole, clomiphene, or gonadotropins
Legro RS, Diamond MP, Coutifaris C, Schlaff WD, Alvero R, Casson P, Christman GM, Rosen RM, Cedars MI, Hansen KR, Robinson R, Baker V, Usadi R, Dodson WC, Estes SJ, Kunselman A, Stetter C, Barnhart KT, Coward RM, Trussell JC, Krawetz SA, Santoro N, Huang H, Zhang H, Eisenberg E, Network R. Pregnancy registry: three-year follow-up of children conceived from letrozole, clomiphene, or gonadotropins. Fertility And Sterility 2020, 113: 1005-1013. PMID: 32386612, PMCID: PMC7376442, DOI: 10.1016/j.fertnstert.2019.12.023.Peer-Reviewed Original ResearchMeSH KeywordsAdultAge FactorsChild BehaviorChild DevelopmentChild, PreschoolClomipheneCognitionFemaleFertilityFertility AgentsFollow-Up StudiesGesturesGonadotropinsHumansInfantInfertility, FemaleLetrozoleLive BirthMaleOvulation InductionPolycystic Ovary SyndromePregnancyProspective StudiesRandomized Controlled Trials as TopicRegistriesTreatment OutcomeUnited StatesWeight GainConceptsGN groupMultiple pregnancy rateProspective cohort studyPolycystic ovary syndromeChildren of womenInfertility trialsUnexplained infertilityCohort studyII studyMultiple gestationsOvary syndromeHealth centersInfertility treatmentPregnancy rateInfertility therapyMAIN OUTCOMELTZ groupLetrozoleMacArthur-Bates Communicative Development InventoriesAcademic health centersGonadotropinAbnormal scoresClomipheneCC groupDevelopmental Questionnaire
2019
First-line ovulation induction for polycystic ovary syndrome: an individual participant data meta-analysis
Wang R, Li W, Bordewijk E, Legro R, Zhang H, Wu X, Gao J, Morin-Papunen L, Homburg R, König T, Moll E, Kar S, Huang W, Johnson N, Amer S, Vegetti W, Palomba S, Falbo A, Özmen Ü, Nazik H, Williams C, Federica G, Lord J, Sahin Y, Bhattacharya S, Norman R, van Wely M, Mol B, Network+ R, Collaboration T. First-line ovulation induction for polycystic ovary syndrome: an individual participant data meta-analysis. Human Reproduction Update 2019, 25: 717-732. PMID: 31647106, DOI: 10.1093/humupd/dmz029.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeClinical pregnancy rateClomiphene citrateLive birth rateOvulation inductionTime-to-pregnancyAnovulatory infertilityFrequent cause of anovulatory infertilityPregnancy rateCause of anovulatory infertilityBirth rateMetformin to CCOvulation induction agentsIncreased clinical pregnancyLive birthsPrimary randomised controlled trialsClinical pregnancyRandomised controlled trialsInfertilityIndividual participant dataIPD meta-analysesWomenPositive interactionsLetrozoleAccurate assessment of outcomesFrozen versus fresh single blastocyst transfer in ovulatory women: a multicentre, randomised controlled trial
Wei D, Liu J, Sun Y, Shi Y, Zhang B, Liu J, Tan J, Liang X, Cao Y, Wang Z, Qin Y, Zhao H, Zhou Y, Ren H, Hao G, Ling X, Zhao J, Zhang Y, Qi X, Zhang L, Deng X, Chen X, Zhu Y, Wang X, Tian L, Lv Q, Ma X, Zhang H, Legro R, Chen Z. Frozen versus fresh single blastocyst transfer in ovulatory women: a multicentre, randomised controlled trial. The Lancet 2019, 393: 1310-1318. PMID: 30827784, DOI: 10.1016/s0140-6736(18)32843-5.Peer-Reviewed Original ResearchConceptsFrozen single blastocyst transferFresh single blastocyst transferSingle blastocyst transferElective single embryo transferRisk of pre-eclampsiaFrozen blastocyst transferBlastocyst transferLivebirth rateSevere ovarian hyperstimulation syndromePre-eclampsiaOvulatory womenPregnancy rateEmbryo transferOvarian hyperstimulation syndromeAcademic fertility centreFrozen-thawed single blastocyst transferHigher risk of pre-eclampsiaIn vitro fertilisationIncreased risk of pre-eclampsiaFrozen embryo transferExtended embryo cultureSingle embryo transferFertility centreHyperstimulation syndromeLower pregnancy rate
2018
Comparison of sonohysterography to hysterosalpingogram for tubal patency assessment in a multicenter fertility treatment trial among women with polycystic ovary syndrome
Christianson MS, Legro RS, Jin S, Eisenberg E, Diamond MP, Hansen KR, Vitek W, Styer AK, Casson P, Coutifaris C, Christman GM, Alvero R, Puscheck EE, Christy AY, Sun F, Zhang H, Polotsky AJ, Santoro N. Comparison of sonohysterography to hysterosalpingogram for tubal patency assessment in a multicenter fertility treatment trial among women with polycystic ovary syndrome. Journal Of Assisted Reproduction And Genetics 2018, 35: 2173-2180. PMID: 30194618, PMCID: PMC6289919, DOI: 10.1007/s10815-018-1306-2.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeSaline infusion sonohysterographyTubal patencyClinical pregnancyOvary syndromePolycystic Ovary Syndrome IITubal patency assessmentClinical pregnancy rateDuration of infertilityAcceptable imaging modalityIntrauterine pregnancyClomiphene citrateEctopic pregnancyInfertile womenResultsAmong womenMultivariable analysisPatency assessmentTreatment armsTreatment trialsPregnancy rateMethodsSecondary analysisHysterosalpingogramLarge cohortTubes patentPatency
2017
Association of uterine fibroids and pregnancy outcomes after ovarian stimulation–intrauterine insemination for unexplained infertility
Styer AK, Jin S, Liu D, Wang B, Polotsky AJ, Christianson MS, Vitek W, Engmann L, Hansen K, Wild R, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Christy A, Diamond MP, Eisenberg E, Zhang H, Santoro N, Network I. Association of uterine fibroids and pregnancy outcomes after ovarian stimulation–intrauterine insemination for unexplained infertility. Fertility And Sterility 2017, 107: 756-762.e3. PMID: 28089575, PMCID: PMC5472203, DOI: 10.1016/j.fertnstert.2016.12.012.Peer-Reviewed Original ResearchMeSH KeywordsAbortion, SpontaneousAdultBlack or African AmericanDrug Therapy, CombinationFemaleFertilityFertility AgentsHumansInfertilityInsemination, ArtificialLeiomyomaLive BirthOvulationOvulation InductionPregnancyPregnancy RatePregnancy TestsProspective StudiesRisk FactorsTreatment OutcomeUnited StatesUterine NeoplasmsConceptsUnexplained infertilityUterine fibroidsPregnancy outcomesClinical trialsSerum antimüllerian hormone levelsBirth rateNon-African American womenGreater uterine volumeMultiple Intrauterine GestationsNormal uterine cavityClinical pregnancy rateAntimüllerian hormone levelsMulticenter clinical trialAmerican womenAfrican American womenClinical pregnancyIntrauterine gestationUterine volumeConception cyclesUterine cavityPregnancy lossHormone levelsPregnancy rateAntral folliclesMAIN OUTCOME
2016
Predictors of pregnancy and live-birth in couples with unexplained infertility after ovarian stimulation–intrauterine insemination
Hansen KR, He AL, Styer AK, Wild RA, Butts S, Engmann L, Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Huang H, Santoro N, Eisenberg E, Zhang H, Network E. Predictors of pregnancy and live-birth in couples with unexplained infertility after ovarian stimulation–intrauterine insemination. Fertility And Sterility 2016, 105: 1575-1583.e2. PMID: 26949110, PMCID: PMC4893990, DOI: 10.1016/j.fertnstert.2016.02.020.Peer-Reviewed Original ResearchConceptsDuration of infertilityUnexplained infertilityPregnancy outcomesClinical trialsClinical pregnancyBaseline characteristicsLive birthsMultivariable logistic regression analysisMultiple Intrauterine GestationsMultiple pregnancy ratePredictors of pregnancyPrior pregnancy lossLive birth rateMulticenter clinical trialSignificant predictorsLogistic regression analysisClomiphene citrateOvarian stimulationAntimüllerian hormoneIntrauterine gestationSerum levelsWaist circumferencePregnancy lossObstetrical carePregnancy rate
2015
Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility
Diamond M, Legro R, Coutifaris C, Alvero R, Robinson R, Casson P, Christman G, Ager J, Huang H, Hansen K, Baker V, Usadi R, Seungdamrong A, Bates G, Rosen R, Haisenleder D, Krawetz S, Barnhart K, Trussell J, Ohl D, Jin Y, Santoro N, Eisenberg E, Zhang H. Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility. Obstetrical & Gynecological Survey 2015, 70: 757-758. DOI: 10.1097/ogx.0000000000000275.Peer-Reviewed Original ResearchOvarian stimulationUnexplained infertilityMultiple gestationsLetrozole groupCongenital anomaliesPregnancy rateLive birthsNormal uterine cavityStandard therapy groupUse of clomipheneOvarian hyperstimulation syndromeFirst-line therapyLive birth ratePatent fallopian tubesPolycystic ovary syndromeMultiple gestation ratesCause of infertilityPlacebo control groupNormal sperm countYears of ageImproved pregnancy ratesFetal heart activityHyperstimulation syndromeMonofollicular developmentNeonatal complicationsLetrozole, Gonadotropin, or Clomiphene for Unexplained Infertility
Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Ager J, Huang H, Hansen KR, Baker V, Usadi R, Seungdamrong A, Bates GW, Rosen RM, Haisenleder D, Krawetz SA, Barnhart K, Trussell JC, Ohl D, Jin Y, Santoro N, Eisenberg E, Zhang H. Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility. New England Journal Of Medicine 2015, 373: 1230-1240. PMID: 26398071, PMCID: PMC4739644, DOI: 10.1056/nejmoa1414827.Peer-Reviewed Original ResearchConceptsUnexplained infertilityMultiple gestationsOvarian stimulationClinical pregnancyStandard therapyLive birth ratePatent fallopian tubesMultiple gestation ratesYears of ageFetal heart activityLetrozole groupNeonatal complicationsClomiphene citrateTriplet gestationsOngoing pregnancyPrimary outcomeGonadotropin treatmentFallopian tubeGestation rateCongenital anomaliesPregnancy rateWomen 18Live birthsClomipheneLetrozoleAntithyroid antibodies, but not thyroid stimulating hormone, are associated with decreased pregnancy rates in infertile women
Seungdamrong A, Steiner A, Gracia C, Diamond M, Legro R, Jin S, Eisenberg E, Zhang H, Santoro N. Antithyroid antibodies, but not thyroid stimulating hormone, are associated with decreased pregnancy rates in infertile women. Fertility And Sterility 2015, 104: e36-e37. DOI: 10.1016/j.fertnstert.2015.07.111.Peer-Reviewed Original Research
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
2011
Estimating rates of multiple gestation pregnancies: Sample size calculation from the assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial
Diamond MP, Mitwally M, Casper R, Ager J, Legro RS, Brzyski R, Casson P, Eisenberg E, Zhang H, Network F. Estimating rates of multiple gestation pregnancies: Sample size calculation from the assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial. Contemporary Clinical Trials 2011, 32: 902-908. PMID: 21787883, PMCID: PMC3708642, DOI: 10.1016/j.cct.2011.07.009.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAromatase InhibitorsClomipheneDose-Response Relationship, DrugDouble-Blind MethodFemaleFertility Agents, FemaleGonadotropinsHumansInfant, NewbornInfertilityLetrozoleMaleNitrilesOvulation InductionPregnancyPregnancy OutcomePregnancy, MultipleProspective StudiesTreatment OutcomeTriazolesYoung AdultConceptsMultiple Intrauterine GestationsMultiple gestation pregnanciesOvulation inductionUnexplained infertilityGestation pregnanciesIntrauterine gestationMultiple gestationsComparable pregnancy ratesMono-follicular developmentOvarian stimulation (AMIGOS) trialOvarian hyperstimulation syndromePregnancy success ratePublic health benefitsExpense of careHyperstimulation syndromeClomiphene citrateNeonatal morbidityPreterm laborFertility medicationsPreterm infantsIntrauterine inseminationStimulation trialsAromatase inhibitorsPregnancy rateGestation