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
2022
Minimal Stimulation Using Gonadotropin-Releasing Hormone Antagonist is Associated with Higher Live Birth Rates: A National Study of 13,050 Cycles
Hurley E, Sun F, Zhang H, Polotsky A, Rios J. Minimal Stimulation Using Gonadotropin-Releasing Hormone Antagonist is Associated with Higher Live Birth Rates: A National Study of 13,050 Cycles. Women's Health Reports 2022, 3: 957-963. PMID: 36479370, PMCID: PMC9712044, DOI: 10.1089/whr.2022.0080.Peer-Reviewed Original ResearchHigher live birth rateLive birth rateGnRH antagonist useAntagonist useMinimal stimulationRank sum testHormone antagonistBirth rateImproved live birth ratesGonadotropin-releasing hormone antagonistCancelation rateCycle cancelation rateGnRH antagonist suppressionMinimal stimulation IVFTotal gonadotropin dosageDiminished ovarian reserveYears of ageWilcoxon rank sum testChi-square testNumber of embryosGonadotropin dosageOvarian reserveGnRH antagonistAntimullerian hormoneOlder womenBiomarkers of Stress and Male Fertility
Spitzer TL, Trussell JC, Coward RM, Hansen KR, Barnhart KT, Cedars MI, Diamond MP, Krawetz SA, Sun F, Zhang H, Santoro N, Steiner AZ. Biomarkers of Stress and Male Fertility. Reproductive Sciences 2022, 29: 1262-1270. PMID: 35106743, PMCID: PMC9078052, DOI: 10.1007/s43032-022-00853-x.Peer-Reviewed Original ResearchConceptsLive birth rateSemen parametersSalivary levelsSperm countPregnancy/live birth rateBirth rateTotal motile sperm countMale factor infertilityMotile sperm countDNA fragmentationTotal sperm countSalivary cortisol levelsMale fertilityStress-related biomarkersChi-square testingSalivary alpha-amylaseInfertility trialsCohort studyHighest quintileIntrauterine inseminationPregnancy rateUpper quintileInfertile menPhysiologic measuresBiomarkers of stress
2021
Male vitamin D status and male factor infertility
Banks N, Sun F, Krawetz SA, Coward RM, Masson P, Smith JF, Trussell JC, Santoro N, Zhang H, Steiner AZ. Male vitamin D status and male factor infertility. Fertility And Sterility 2021, 116: 973-979. PMID: 34289935, PMCID: PMC8561776, DOI: 10.1016/j.fertnstert.2021.06.035.Peer-Reviewed Original ResearchMeSH KeywordsAbortion, SpontaneousAdultBiomarkersClomipheneDietary SupplementsDouble-Blind MethodFemaleFertilityFertility Agents, FemaleHumansInfertility, MaleInsemination, Artificial, HomologousLive BirthMalePregnancyPregnancy RateProspective StudiesRisk FactorsSemenSemen AnalysisTime FactorsTreatment OutcomeUnited StatesVitamin DVitamin D DeficiencyConceptsVitamin D deficiencyLive birth rateMale factor infertilityD deficiencyFactor infertilityD levelsSemen parametersMild male factor infertilityMale partnersVitamin D levelsVitamin D statusRate of miscarriageFemale partnersSperm concentrationBirth rateClinical pregnancyClomiphene citrateD statusDNA fragmentationCumulative pregnancySperm DNA fragmentationVitamin DFertility centerIntrauterine inseminationMonth 4
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 assessmentBirthSyndromeInfertilityAndrogenicity and fertility treatment in women with unexplained infertility
Wang ET, Diamond MP, Alvero R, Casson P, Christman GM, Coutifaris C, Hansen KR, Sun F, Legro RS, Robinson RD, Usadi RS, Pisarska MD, Santoro NF, Zhang H, Network I. Androgenicity and fertility treatment in women with unexplained infertility. Fertility And Sterility 2020, 113: 636-641. PMID: 32192596, PMCID: PMC7088440, DOI: 10.1016/j.fertnstert.2019.10.034.Peer-Reviewed Original ResearchConceptsLive birth rateBody mass indexUnexplained infertilityClinical pregnancyMass indexPregnancy lossClinical markersLive birthsAndrogenic activityFree androgen index valuesHigher body mass indexMultivariable logistic regression modelMultiple Intrauterine GestationsNormal uterine cavityHigh waist circumferenceOvarian stimulation treatmentPatent fallopian tubesBirth rateLogistic regression modelsAndrogen markersSerum TTOvarian stimulationRegular mensesInfertility populationIntrauterine gestation
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