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
Poor reproducibility of percentage of normally shaped sperm using the World Health Organization Fifth Edition strict grading criteria
Baker KC, Steiner AZ, Hansen KR, Barnhart KT, Cedars MI, Legro RS, Diamond MP, Krawetz SA, Usadi R, Baker VL, Coward RM, Sun F, Wild R, Masson P, Smith JF, Santoro N, Zhang H, Network R. Poor reproducibility of percentage of normally shaped sperm using the World Health Organization Fifth Edition strict grading criteria. F&S Reports 2022, 3: 110-115. PMID: 35789726, PMCID: PMC9250115, DOI: 10.1016/j.xfre.2022.03.003.Peer-Reviewed Original ResearchFertility centerCore laboratoryStrict morphologySecondary cohort analysisPlacebo-controlled trialSame semen sampleMultisite clinical trialLower reference limitSemen samplesInfertility trialsClinical trialsFertility laboratoriesCohort analysisCutoff valueEffect of antioxidantsReference limitsInterobserver agreementCentral laboratoryModerate agreementSemen valuesLack of correlationTrialsGrading criteriaMale fertilityCenter LaboratoryBiomarkers 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