2024
The effect of improved metabolic syndrome parameters on live birth
Spitzer T, Diamond M, Wild R, Legro R, Zhang H, Sun F, Ling S, Santoro N. The effect of improved metabolic syndrome parameters on live birth. Fertility And Sterility 2024, 122: 373-375. PMID: 38641159, DOI: 10.1016/j.fertnstert.2024.04.020.Peer-Reviewed Original ResearchMetabolic syndrome Z-scoreLifestyle interventionLive birthsLive birth rateMetabolic syndrome parametersZ-scoreMetabolic syndromeUnexplained infertilityIntrauterine inseminationOvarian stimulationSyndrome parametersMetabolic parametersObese WomenBirth outcomesLive birth outcomesIntervention phaseImprove metabolic syndromeSecondary analysisFisher's exact testStudy participantsZ-score differenceLifestyle modificationStudent's t-testBirth rateLogistic regression
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
Short-term weight change and live birth among women with unexplained infertility and polycystic ovary syndrome undergoing ovulation induction
Vitek W, Sun F, Hoeger KM, Santoro N, Diamond MP, Zhang H, Legro RS, Network E, Coutifaris C, Christman G, Robinson R, Brzyski R, Schlaff W, Casson P, Trussell J, Eisenberg E, Lamar C, DePaolo L. Short-term weight change and live birth among women with unexplained infertility and polycystic ovary syndrome undergoing ovulation induction. Fertility And Sterility 2020, 114: 1032-1039. PMID: 33036790, PMCID: PMC7953832, DOI: 10.1016/j.fertnstert.2020.06.002.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeShort-term weight changeUnexplained infertilityLive birth rateOvulation inductionOvary syndromeWeight changeWeight gainCycles of clomipheneBody mass indexMean weight changeBirth rateRandomized trialsMass indexRegular intercourseIntrauterine inseminationTreatment allocationLive birthsMAIN OUTCOMESecondary analysisWomenWeight assessmentBirthSyndromeInfertilityIntrauterine insemination performance characteristics and post-processing total motile sperm count in relation to live birth for couples with unexplained infertility in a randomised, multicentre clinical trial
Hansen KR, Peck JD, Coward RM, Wild RA, Trussell JC, Krawetz SA, Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Santoro N, Zhang H. Intrauterine insemination performance characteristics and post-processing total motile sperm count in relation to live birth for couples with unexplained infertility in a randomised, multicentre clinical trial. Human Reproduction 2020, 35: 1296-1305. PMID: 32432326, PMCID: PMC7316499, DOI: 10.1093/humrep/deaa027.Peer-Reviewed Original ResearchConceptsTotal motile sperm countLive birth rateHigher total motile sperm countUnexplained infertilityMulticentre clinical trialMotile sperm countClinical trialsLive birthsOvarian stimulationHCG injectionBirth ratePatient discomfortSperm countTreatment cyclesSecondary analysisEunice Kennedy Shriver National InstituteSTUDY FUNDING/COMPETINGLive birth successMultiple Intrauterine GestationsDuration of infertilityIUI treatment cyclesLive birth outcomesPARTICIPANTS/MATERIALSROLE OF CHANCEYears of age
2019
Association between testosterone, semen parameters, and live birth in men with unexplained infertility in an intrauterine insemination population
Trussell JC, Coward RM, Santoro N, Stetter C, Kunselman A, Diamond MP, Hansen KR, Krawetz SA, Legro RS, Heisenleder D, Smith J, Steiner A, Wild R, Casson P, Coutifaris C, Alvero RR, Robinson RB, Christman G, Patrizio P, Zhang H, Lindgren MC, Network R. Association between testosterone, semen parameters, and live birth in men with unexplained infertility in an intrauterine insemination population. Fertility And Sterility 2019, 111: 1129-1134. PMID: 30982604, PMCID: PMC6557574, DOI: 10.1016/j.fertnstert.2019.01.034.Peer-Reviewed Original ResearchMeSH KeywordsAdultBiomarkersDown-RegulationFemaleFertilityHumansInfertility, MaleInsemination, Artificial, HomologousLive BirthMaleMulticenter Studies as TopicPregnancyPregnancy RateRandomized Controlled Trials as TopicRisk FactorsSperm CountSperm MotilitySpermatogenesisTestosteroneTreatment OutcomeConceptsUnexplained infertilityLow TTMale partnersLive birthsSemen parametersSecondary analysisMultiple Intrauterine GestationsLive birth rateBody mass indexMulticenter clinical trialAbnormal sperm morphologyOvarian stimulationIntrauterine gestationPregnancy outcomesMass indexInfertility clinicClinical trialsMAIN OUTCOMETotal motile spermSemen analysisAbnormal spermatogenesisInfertilityLogistic regressionSperm concentrationSemen volume
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 analysis
2016
Vitamin D Status Relates to Reproductive Outcome in Women With Polycystic Ovary Syndrome: Secondary Analysis of a Multicenter Randomized Controlled Trial
Pal L, Zhang H, Williams J, Santoro NF, Diamond MP, Schlaff WD, Coutifaris C, Carson SA, Steinkampf MP, Carr BR, McGovern PG, Cataldo NA, Gosman GG, Nestler JE, Myers E, Legro RS, Network F. Vitamin D Status Relates to Reproductive Outcome in Women With Polycystic Ovary Syndrome: Secondary Analysis of a Multicenter Randomized Controlled Trial. The Journal Of Clinical Endocrinology & Metabolism 2016, 101: 3027-3035. PMID: 27186859, PMCID: PMC4971341, DOI: 10.1210/jc.2015-4352.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeLive birthsVitD statusOvary syndromeSerum 25OHDIndependent predictorsSecondary analysisOvulation induction outcomesSerum 25OHD levelsVitamin D statusHealth diagnostic criteriaD statusNonpregnant populationRetrospective cohortControlled TrialsVitamin DPregnancy lossReproductive outcomesDiagnostic criteriaTrial dataProgressive improvementWomenInduction outcomeNational InstituteSyndrome
2015
Predictors of participant retention in infertility treatment trials
Kuang H, Jin S, Thomas T, Engmann L, Hansen KR, Coutifaris C, Casson P, Christman G, Alvero R, Santoro N, Eisenberg E, Diamond MP, Legro RS, Zhang H, Network R, Bartlebaugh C, Dodson W, Estes S, Gnatuk C, Ladda R, Ober J, Easton C, Hernandez A, Leija M, Pierce D, Bryzski R, Awonuga A, Cedo L, Cline A, Collins K, Krawetz S, Puscheck E, Singh M, Yoscovits M, Barnhart K, Lecks K, Martino L, Marunich R, Snyder P, Schlaff W, Comfort A, Crow M, Hohmann A, Mallette S, Ringbloom M, Tang J, Mason S, DiMaria N, Rhea M, Turner K, Haisenleder D, Trussell J, DelBasso D, Li Y, Makuch R, Patrizio P, Sakai L, Scahill L, Taylor H, Thomas T, Tsang S, Zhang M, Lamar C, DePaolo L, Guzick D, Herring A, Redmond J, Thomas M, Turek P, Wactawski-Wende J, Rebar R, Cato P, Dukic V, Lewis V, Schlegel P, Witter F. Predictors of participant retention in infertility treatment trials. Fertility And Sterility 2015, 104: 1236-1243.e2. PMID: 26354094, PMCID: PMC4630082, DOI: 10.1016/j.fertnstert.2015.08.001.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAdolescentAdultChi-Square DistributionDrug Therapy, CombinationFemaleFertilityFertility Agents, FemaleHumansInfertility, FemaleLogistic ModelsMaleMultivariate AnalysisOdds RatioPatient DropoutsPatient SelectionPolycystic Ovary SyndromePregnancyRandomized Controlled Trials as TopicRisk FactorsTreatment OutcomeYoung AdultConceptsPolycystic ovary syndromeBody mass indexClomiphene citrateClinical trialsHistory of smokingInsurance coverageCombination of metforminMultivariable logistic modelAcademic medical centerRetention of subjectsConduct of RCTsBetter insurance coverageUnexplained infertilityOvary syndromeNormal weightMass indexOriginal RCTTreatment trialsMedical CenterMAIN OUTCOMEWhite raceIntervention studiesRCTsSecondary analysisParticipant retentionIdentification and replication of prediction models for ovulation, pregnancy and live birth in infertile women with polycystic ovary syndrome
Kuang H, Jin S, Hansen KR, Diamond MP, Coutifaris C, Casson P, Christman G, Alvero R, Huang H, Bates GW, Usadi R, Lucidi S, Baker V, Santoro N, Eisenberg E, Legro RS, Zhang H, Network F, Bartlebaugh C, Dodson W, Estes S, Gnatuk C, Ladda R, Ober J, Easton C, Hernandez A, Leija M, Pierce D, Bryzski R, Awonuga A, Cedo L, Cline A, Collins K, Krawetz S, Puscheck E, Singh M, Yoscovits M, Barnhart K, Lecks K, Martino L, Marunich R, Snyder P, Schlaff W, Comfort A, Crow M, Hohmann A, Mallette S, Ringbloom M, Tang J, Mason S, DiMaria N, Rhea M, Turner K, Haisenleder D, Trussell J, DelBasso D, Li Y, Makuch R, Patrizio P, Sakai L, Scahill L, Taylor H, Thomas T, Tsang S, Zhang M, Lamar C, DePaolo L, Guzick D, Herring A, Redmond J, Thomas M, Turek P, Wactawski-Wende J, Rebar R, Cato P, Dukic V, Lewis V, Schlegel P, Witter F. Identification and replication of prediction models for ovulation, pregnancy and live birth in infertile women with polycystic ovary syndrome. Human Reproduction 2015, 30: 2222-2233. PMID: 26202922, PMCID: PMC4542721, DOI: 10.1093/humrep/dev182.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromePregnancy outcomesInfertile womenClomiphene citrateOvary syndromeChi-square testLogistic regression modelsLive birthsBaseline sex hormone-binding globulinPolycystic Ovary Syndrome ISecondary analysisEunice Kennedy Shriver National InstituteSex hormone-binding globulinSevere PCOS phenotypeFree androgen indexRole of smokingKey baseline characteristicsHormone-binding globulinSignificant risk factorsPARTICIPANTS/MATERIALSSignificant predictorsROLE OF CHANCEPredictors of ovulationGrant supportNIH grant supportCluster analysis of spontaneous preterm birth phenotypes identifies potential associations among preterm birth mechanisms
Esplin MS, Manuck TA, Varner MW, Christensen B, Biggio J, Bukowski R, Parry S, Zhang H, Huang H, Andrews W, Saade G, Sadovsky Y, Reddy UM, Ilekis J. Cluster analysis of spontaneous preterm birth phenotypes identifies potential associations among preterm birth mechanisms. American Journal Of Obstetrics And Gynecology 2015, 213: 429.e1-429.e9. PMID: 26070700, PMCID: PMC4556543, DOI: 10.1016/j.ajog.2015.06.011.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthDecidual hemorrhagePlacental dysfunctionProspective case-control multicenter studyCase-control multicenter studyPremature membrane ruptureGroup of womenCommon biologic pathwaysMaternal comorbiditiesPreterm singletonsPreterm birthWeeks' gestationMulticenter studyMaternal stressSecondary analysisBiologic pathwaysFamilial factorsGenetic factorsWomenPhenotypic profileGestationInfectionMembrane ruptureCommon mechanismPhenotype
2012
Altering Hirsutism Through Ovulation Induction in Women With Polycystic Ovary Syndrome
Roth LW, Huang H, Legro RS, Diamond MP, Coutifaris C, Carson SA, Steinkampf MP, Carr BR, McGovern PG, Cataldo NA, Gosman GG, Nestler JE, Myers ER, Zhang H, Schlaff WD. Altering Hirsutism Through Ovulation Induction in Women With Polycystic Ovary Syndrome. Obstetrics And Gynecology 2012, 119: 1151-1156. PMID: 22617579, PMCID: PMC3360417, DOI: 10.1097/aog.0b013e31825618fb.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeFerriman-Gallwey scoreClomiphene citrateOvary syndromePolycystic Ovary Syndrome IDouble-blind trialDuration of treatmentAbsence of ovulationHirsutism scoreOvulation inductionHirsute womenHirsutismSecondary analysisMetforminWomenGroup assignmentSignificant decreaseSignificant differencesTreatmentSyndromeInfertilityGreater improvementScoresPregnancyGroupEndometrial Shedding Effect on Conception and Live Birth in Women With Polycystic Ovary Syndrome
Diamond MP, Kruger M, Santoro N, Zhang H, Casson P, Schlaff W, Coutifaris C, Brzyski R, Christman G, Carr BR, McGovern PG, Cataldo NA, Steinkampf MP, Gosman GG, Nestler JE, Carson S, Myers EE, Eisenberg E, Legro RS. Endometrial Shedding Effect on Conception and Live Birth in Women With Polycystic Ovary Syndrome. Obstetrics And Gynecology 2012, 119: 902-908. PMID: 22525900, PMCID: PMC4007263, DOI: 10.1097/aog.0b013e31824da35c.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeLive birth rateAnovulatory cyclesEndometrial sheddingClomiphene citrateOvary syndromeLive birthsEunice Kennedy Shriver National InstituteBirth rateCommon clinical practiceOccurrence of ovulationRate of conceptionAnovulatory womenOvarian stimulationOvulation inductionSpontaneous mensesProgestin withdrawalChild healthClinical practiceNetwork trialSecondary analysisOvulation rateMetforminAdverse effectsWomenPredictors of pregnancy and live birth after insemination in couples with unexplained or male-factor infertility
Huang H, Hansen KR, Factor-Litvak P, Carson SA, Guzick DS, Santoro N, Diamond MP, Eisenberg E, Zhang H, Network I. Predictors of pregnancy and live birth after insemination in couples with unexplained or male-factor infertility. Fertility And Sterility 2012, 97: 959-967.e5. PMID: 22270557, PMCID: PMC3319287, DOI: 10.1016/j.fertnstert.2012.01.090.Peer-Reviewed Original ResearchMeSH KeywordsAcademic Medical CentersAdultAlcohol DrinkingAlcoholic BeveragesChi-Square DistributionCoffeeFemaleHumansInfertilityInfertility, MaleInsemination, ArtificialLife StyleLive BirthLogistic ModelsMaleMiddle AgedMultivariate AnalysisOvulation InductionPregnancyPregnancy RateProspective StudiesRisk AssessmentRisk FactorsRisk Reduction BehaviorSuperovulationSurveys and QuestionnairesTeaTreatment OutcomeUnited StatesYoung AdultConceptsLive birth rateMale factor infertilityLive birthsPregnancy outcomesHigher pregnancyBirth ratePredictors of pregnancyAlcoholic beveragesFemale partnersOccurrence of pregnancyAcademic medical centerLifestyle factorsIntrauterine inseminationRisk factorsLifestyle questionnaireOccupational exposureMedical CenterLifestyle changesMAIN OUTCOMETreatment groupsPregnancySecondary analysisPast usersCurrent usersBirth
1995
Tree-based Risk Factor Analysis of Preterm Delivery and Small-for-Gestational-Age Birth
Zhang H, Bracken M. Tree-based Risk Factor Analysis of Preterm Delivery and Small-for-Gestational-Age Birth. American Journal Of Epidemiology 1995, 141: 70-78. PMID: 7801968, DOI: 10.1093/oxfordjournals.aje.a117347.Peer-Reviewed Original ResearchConceptsPreterm deliveryYale-New Haven HospitalGestational age infantsGestational-age birthsRisk factor analysisPutative risk factorsPassive smokingGestational ageAge infantsMaternal ageRisk factorsCaffeine consumptionSecondary analysisAlcohol useMarital statusSmokingBlack womenMarijuana useAgeOutcomesDeliveryNew Haven