2023
Prenatal per- and polyfluoroalkyl substances (PFAS) exposure in relation to preterm birth subtypes and size-for-gestational age in the LIFECODES cohort 2006–2008
Siwakoti R, Cathey A, Ferguson K, Hao W, Cantonwine D, Mukherjee B, McElrath T, Meeker J. Prenatal per- and polyfluoroalkyl substances (PFAS) exposure in relation to preterm birth subtypes and size-for-gestational age in the LIFECODES cohort 2006–2008. Environmental Research 2023, 237: 116967. PMID: 37634691, PMCID: PMC10913455, DOI: 10.1016/j.envres.2023.116967.Peer-Reviewed Original ResearchConceptsLarge-for-gestational agePreterm birth subtypesBayesian kernel machine regressionSize-for-gestational ageSmall-for-gestational agePreterm birthFetal sexPregnancy outcomesSex-specific estimatesIncreased risk of adverse pregnancy outcomesInterquartile range increaseRisk of adverse pregnancy outcomesBayesian kernel machine regression analysisEarly pregnancy samplesAdverse pregnancy outcomesCase-control studyPrenatal PFAS exposureAssociations of polyfluoroalkyl substancesBW z-scoreEffects of polyfluoroalkyl substancesKernel machine regressionEffect modificationEffects of prenatal exposureRange increaseStratified analysis
2022
Biomarkers of Exposure to Phthalate Mixtures and Adverse Birth Outcomes in a Puerto Rico Birth Cohort
Cathey A, Watkins D, Rosario Z, Vélez C, Mukherjee B, Alshawabkeh A, Cordero J, Meeker J. Biomarkers of Exposure to Phthalate Mixtures and Adverse Birth Outcomes in a Puerto Rico Birth Cohort. Environmental Health Perspectives 2022, 130: 037009. PMID: 35333099, PMCID: PMC8953418, DOI: 10.1289/ehp8990.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthPreterm birthFetal sexGestational agePregnancy outcomesBirth outcomesBayesian kernel machine regressionPhthalate metabolitesRisk of early deliveryAssociated with increased odds of PTBOdds of preterm birthPhthalate mixtureReduced gestational ageIndividual phthalate metabolitesMeasures of birth weightAssociated with increased riskPhthalate metabolite mixturesAdverse birth outcomesAssociated with increased oddsPuerto Rico TestsiteEnvironmental risk scoreEarly deliveryBirth weightPregnancy cohortLongitudinal pregnancy cohortMediation by hormone concentrations on the associations between repeated measures of phthalate mixture exposure and timing of delivery
Cathey A, Aung M, Watkins D, Rosario Z, Vélez Vega C, Alshawabkeh A, Cordero J, Mukherjee B, Meeker J. Mediation by hormone concentrations on the associations between repeated measures of phthalate mixture exposure and timing of delivery. Journal Of Exposure Science & Environmental Epidemiology 2022, 32: 374-383. PMID: 34987188, PMCID: PMC9124667, DOI: 10.1038/s41370-021-00408-3.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthPreterm birthCorticotropin-releasing hormoneFetal sexMale fetusesEarly deliveryHormone concentrationsAssociated with earlier deliveryPhthalate exposurePhthalate mixtureReduced gestational ageTime of deliveryEnvironmental risk scoreGestational ageFemale fetusesUrinary phthalatesSex-specific analysesEndocrine-disrupting capabilitiesReleasing hormoneSerum hormonesFetusesRisk scoreSusceptible to endocrine disruptionBirth cohortHormone
2021
Gestational Hormone Concentrations Are Associated With Timing of Delivery in a Fetal Sex-Dependent Manner
Cathey A, Watkins D, Rosario Z, Vega C, Mukherjee B, O’Neill M, Loch-Caruso R, Alshawabkeh A, Cordero J, Meeker J. Gestational Hormone Concentrations Are Associated With Timing of Delivery in a Fetal Sex-Dependent Manner. Frontiers In Endocrinology 2021, 12: 742145. PMID: 34603214, PMCID: PMC8479114, DOI: 10.3389/fendo.2021.742145.Peer-Reviewed Original ResearchConceptsTime of deliveryFetal sexBody mass indexGestational ageMaternal agePreterm premature rupture of membranesPre-pregnancy body mass indexHormone concentrationsFetal sex-specific effectsPremature rupture of membranesOverall preterm birthPreterm premature ruptureSpontaneous preterm laborRupture of membranesReduced gestational ageOdds of PTBTime of laborSignificant public health problemTobacco smoke exposureGestational hormonesSpontaneous PTBPreterm laborWeeks gestationPreterm birthLongitudinal birth cohortHormone concentrations mediate the associations between exposure to phthalate mixtures and preterm birth
Cathey A, Aung M, Watkins D, Rosario Z, Vélez Vega C, Alshawabkeh A, Cordero J, Mukherjee B, Meeker J. Hormone concentrations mediate the associations between exposure to phthalate mixtures and preterm birth. ISEE Conference Abstracts 2021, 2021 DOI: 10.1289/isee.2021.p-299.Peer-Reviewed Original ResearchPerformance of urine, blood, and integrated metal biomarkers in relation to birth outcomes in a mixture setting
Ashrap P, Watkins D, Mukherjee B, Rosario-Pabón Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Performance of urine, blood, and integrated metal biomarkers in relation to birth outcomes in a mixture setting. Environmental Research 2021, 200: 111435. PMID: 34097892, PMCID: PMC8403638, DOI: 10.1016/j.envres.2021.111435.Peer-Reviewed Original ResearchConceptsEnvironmental risk scoreIntraclass correlation coefficientBirth outcomesBody mass indexWeighted quantile sumOdds ratio of preterm birthSecond-hand smoke exposurePre-pregnancy body mass indexOdds of preterm birthAssociated with birth outcomesIncreased odds of preterm birthPractice study designHealth effectsPreterm birthMaternal educationIncreased oddsOdds ratioSmoke exposureStudy designMaternal ageMass indexArea under the curveRisk scoreLogistic regressionConfidence intervalsMaternal lipidomic signatures in relation to spontaneous preterm birth and large-for-gestational age neonates
Aung M, Ashrap P, Watkins D, Mukherjee B, Rosario Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Maternal lipidomic signatures in relation to spontaneous preterm birth and large-for-gestational age neonates. Scientific Reports 2021, 11: 8115. PMID: 33854141, PMCID: PMC8046995, DOI: 10.1038/s41598-021-87472-9.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthBiomarkers of pregnancy outcomesGestational age neonatesPreterm birthAge neonatesPregnancy outcomesDegree of hydrocarbon chain saturationIncreased riskNeonatal anthropometric parametersAssociated with increased riskPlasmenyl phosphatidylethanolamineMaternal lipidomeWeeks gestationGestational ageLipidomic signatureAnthropometric parametersLiquid chromatography tandem mass spectrometryLipidomic profilesLipid metabolitesHydrocarbon chain saturationPlasma samplesBirthLogistic regressionHigh-performance liquid chromatography tandem mass spectrometryNeonatesPsychosocial status modifies the effect of maternal blood metal and metalloid concentrations on birth outcomes
Ashrap P, Aker A, Watkins D, Mukherjee B, Rosario-Pabón Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Psychosocial status modifies the effect of maternal blood metal and metalloid concentrations on birth outcomes. Environment International 2021, 149: 106418. PMID: 33548848, PMCID: PMC7897320, DOI: 10.1016/j.envint.2021.106418.Peer-Reviewed Original ResearchConceptsAdverse birth outcomesPsychosocial statusBirth outcomesBody mass indexPsychosocial stressPreterm birthOdds ratioAssociated with adverse birth outcomesPre-pregnancy body mass indexSecond-hand smoke exposurePrenatal psychosocial stressPregnant womenBlood metalsClusters of womenEffects of psychosocial stressPuerto Rico TestsiteIncreased odds ratioSocial supportPerceived stressMaternal educationAdverse associationOverall preterm birthLow birth weightSpontaneous preterm birthCohort study
2020
Maternal blood metal and metalloid concentrations in association with birth outcomes in Northern Puerto Rico
Ashrap P, Watkins D, Mukherjee B, Boss J, Richards M, Rosario Z, Vélez-Vega C, Alshawabkeh A, Cordero J, Meeker J. Maternal blood metal and metalloid concentrations in association with birth outcomes in Northern Puerto Rico. Environment International 2020, 138: 105606. PMID: 32179314, PMCID: PMC7198231, DOI: 10.1016/j.envint.2020.105606.Peer-Reviewed Original ResearchConceptsBayesian kernel machine regressionShorter gestational agePreterm birthGestational ageEnvironmental risk scoreBirth outcomesMetal concentrationsNon-essential metal(loid)sHigher risk of preterm birthRisk of preterm birthLow-level prenatal lead exposureInterquartile rangeOdds of preterm birthAssociated with higher risk of preterm birthRisk scoreEffects of metalsPredictors of birth outcomesAssociated with birth outcomesBayesian kernel machine regression modelsBirthweight z-scoreAssociated with adverse birth outcomesAssociated with higher riskAdverse birth outcomesKernel machine regressionPuerto Rico Testsite
2019
Prediction and associations of preterm birth and its subtypes with eicosanoid enzymatic pathways and inflammatory markers
Aung M, Yu Y, Ferguson K, Cantonwine D, Zeng L, McElrath T, Pennathur S, Mukherjee B, Meeker J. Prediction and associations of preterm birth and its subtypes with eicosanoid enzymatic pathways and inflammatory markers. Scientific Reports 2019, 9: 17049. PMID: 31745121, PMCID: PMC6863859, DOI: 10.1038/s41598-019-53448-z.Peer-Reviewed Original ResearchConceptsSpontaneous preterm birthPreterm birthMultiple logistic regressionCross-sectional study of pregnant womenAssociation of preterm birthCases of preterm birthStudy of pregnant womenOverall preterm birthPreterm birth casesPreterm birth outcomesCytochrome P450 metabolitesLogistic regressionOxidative stress markersAberrant placentationCross-sectional studyDelivered termCytochrome P450 productPredictive biomarkersPregnant womenPretermEicosanoid metabolitesImmune biomarkersLipoxygenase metabolitesBirth casesResolvin D1Urinary concentrations of phenols in association with biomarkers of oxidative stress in pregnancy: Assessment of effects independent of phthalates
Ferguson K, Lan Z, Yu Y, Mukherjee B, McElrath T, Meeker J. Urinary concentrations of phenols in association with biomarkers of oxidative stress in pregnancy: Assessment of effects independent of phthalates. Environment International 2019, 131: 104903. PMID: 31288179, PMCID: PMC6728185, DOI: 10.1016/j.envint.2019.104903.Peer-Reviewed Original ResearchConceptsUrinary phthalate metabolitesOxidative stress biomarkersNon-null associationsPhthalate metabolitesBiomarkers of oxidative stressInterquartile rangeBenzophenone-3Associated with increasesOutcome biomarkersIncreased maternal oxidative stressStress biomarkersExposure to environmental phenolsOxidative stressReduced fetal growthUrinary oxidative stress biomarkersMaternal oxidative stressEffect estimatesAdaptive elastic net modelStudy populationPreterm birthFetal growthConcentration of phenolUrinary phenolPregnancyUrinary concentrationsCorrection: Longitudinal Profiles of Thyroid Hormone Parameters in Pregnancy and Associations with Preterm Birth
Johns L, Ferguson K, McElrath T, Mukherjee B, Seely E, Meeker J. Correction: Longitudinal Profiles of Thyroid Hormone Parameters in Pregnancy and Associations with Preterm Birth. PLOS ONE 2019, 14: e0212950. PMID: 30789957, PMCID: PMC6383932, DOI: 10.1371/journal.pone.0212950.Peer-Reviewed Original Research
2018
The associations between prenatal exposure to triclocarban, phenols and parabens with gestational age and birth weight in northern Puerto Rico
Aker A, Ferguson K, Rosario Z, Mukherjee B, Alshawabkeh A, Cordero J, Meeker J. The associations between prenatal exposure to triclocarban, phenols and parabens with gestational age and birth weight in northern Puerto Rico. Environmental Research 2018, 169: 41-51. PMID: 30412856, PMCID: PMC6347499, DOI: 10.1016/j.envres.2018.10.030.Peer-Reviewed Original ResearchConceptsAssociated with gestational ageGestational ageOdds of SGAInfant sexBirth outcomesStudy visitsVisit 1Odds of preterm birthOdds of LGAAssociated with adverse birth outcomesBirthweight z-scoreBiomarker concentrationsAdverse birth outcomesPuerto Rico TestsitePreterm birthPregnant womenBirth weightUrinary biomarker concentrationsExposure biomarkersLogistic regression modelsVisit 3SGADecreased oddsZ-scoreCalculate oddsAssociations between repeated ultrasound measures of fetal growth and biomarkers of maternal oxidative stress and inflammation in pregnancy
Ferguson K, Kamai E, Cantonwine D, Mukherjee B, Meeker J, McElrath T. Associations between repeated ultrasound measures of fetal growth and biomarkers of maternal oxidative stress and inflammation in pregnancy. American Journal Of Reproductive Immunology 2018, 80: e13017. PMID: 29984454, PMCID: PMC6160349, DOI: 10.1111/aji.13017.Peer-Reviewed Original ResearchConceptsAssociated with reduced fetal growthFetal growthAssociated with poorer childAdult health outcomesOxidative stress markersBirth cohort studyInterquartile rangeAssociated with head circumferenceRepeated-measures modelFetal weight z-scoreAssociated with fetal weightOxidative stressHealth outcomesStandard deviation decreaseWeight z-scoreStress markersSecondary analysisMaternal oxidative stressCohort studyZ-scoreFetal weightMaternal inflammationDeviation decreasePreterm birthHead circumferenceAssociations between mixtures of urinary phthalate metabolites with gestational age at delivery: a time to event analysis using summative phthalate risk scores
Boss J, Zhai J, Aung M, Ferguson K, Johns L, McElrath T, Meeker J, Mukherjee B. Associations between mixtures of urinary phthalate metabolites with gestational age at delivery: a time to event analysis using summative phthalate risk scores. Environmental Health 2018, 17: 56. PMID: 29925380, PMCID: PMC6011420, DOI: 10.1186/s12940-018-0400-3.Peer-Reviewed Original ResearchConceptsMono-2-ethyl-5-carboxypentyl phthalateEnvironmental risk scoreGestational ageHazard ratioPreterm birthRisk scoreInterquartile rangeIncreased odds of preterm birthCases of preterm birthOdds of preterm birthUrinary phthalate metabolite concentrationsPhthalate metabolite concentrationsUrinary phthalate metabolitesPhthalate metabolite measurementsCox proportional hazards modelsInterquartile range changeTime to deliveryProportional hazards modelLongitudinal birth cohortSingle-pollutant analysesSignificant public health concernUrinary metabolite concentrationsBackgroundPreterm birthPregnant womenExposure to phthalates
2017
Subclinical Changes in Maternal Thyroid Function Parameters in Pregnancy and Fetal Growth
Johns L, Ferguson K, Cantonwine D, Mukherjee B, Meeker J, McElrath T. Subclinical Changes in Maternal Thyroid Function Parameters in Pregnancy and Fetal Growth. The Journal Of Clinical Endocrinology & Metabolism 2017, 103: 1349-1358. PMID: 29293986, PMCID: PMC6018657, DOI: 10.1210/jc.2017-01698.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAsymptomatic DiseasesBirth WeightCase-Control StudiesFemaleFetal DevelopmentHumansInfant, NewbornPregnancyPregnancy ComplicationsPremature BirthProspective StudiesSocioeconomic FactorsThyroid DiseasesThyroid Function TestsThyroid GlandThyroid HormonesThyroxineUltrasonography, PrenatalYoung AdultConceptsBirth weight z-scoreOvert thyroid diseaseThyroid function parametersWeight z-scoreFetal growthThyroid diseaseInverse associationPregnant womenMeasurements of estimated fetal weightSubclinical changesIndices of fetal growthCase-control study of preterm birthStudy of preterm birthZ-scoreAbnormal fetal growthMaternal thyroid functionWeeks of gestationInfluence fetal growthZ-score decreaseThyroid-stimulating hormoneProspective birth cohortCase-control studyFunction parametersFetal weightPreterm birthUrinary BPA and Phthalate Metabolite Concentrations and Plasma Vitamin D Levels in Pregnant Women: A Repeated Measures Analysis
Johns L, Ferguson K, Cantonwine D, McElrath T, Mukherjee B, Meeker J. Urinary BPA and Phthalate Metabolite Concentrations and Plasma Vitamin D Levels in Pregnant Women: A Repeated Measures Analysis. Environmental Health Perspectives 2017, 125: 087026. PMID: 28934718, PMCID: PMC5783673, DOI: 10.1289/ehp1178.Peer-Reviewed Original ResearchConceptsCohort of pregnant womenMono-3-carboxypropyl phthalateVitamin D levelsPregnant womenD levelsNested case-control study of preterm birthMeasures of urinary phthalate metabolitesProspective cohort of pregnant womenOdds of vitamin D deficiencyCase-control study of preterm birthDi(2-ethylhexyl) phthalate metabolitesInverse associationStudy of preterm birthInterquartile rangePlasma vitamin D levelsCirculating total 25(OH)DNested case-control studyMetabolites of di(2-ethylhexyl) phthalateVitamin D deficiencyDi(2-ethylhexyl) phthalatePhthalate metabolite concentrationsUrinary phthalate metabolitesUrinary bisphenol AProspective birth cohortPreterm birthThyroid hormone parameters during pregnancy in relation to urinary bisphenol A concentrations: A repeated measures study
Aung M, Johns L, Ferguson K, Mukherjee B, McElrath T, Meeker J. Thyroid hormone parameters during pregnancy in relation to urinary bisphenol A concentrations: A repeated measures study. Environment International 2017, 104: 33-40. PMID: 28410473, PMCID: PMC5497503, DOI: 10.1016/j.envint.2017.04.001.Peer-Reviewed Original ResearchConceptsThyroid hormone parametersHormonal parametersStudy visitsCases of preterm birthInterquartile rangeSupply of thyroid hormonesNormal birth outcomesUrinary bisphenol A concentrationsNested case-control studyThyrotropin (TSHContext of pregnancyUrinary BPA concentrationsUrinary bisphenol ACase-control studyIn vitro studiesPreterm birthTSH levelsMultivariate linear regression modelPregnant womenFetal developmentFree T4Visit 3Measures analysisBirth outcomesPregnancyLongitudinal Profiles of Thyroid Hormone Parameters in Pregnancy and Associations with Preterm Birth
Johns L, Ferguson K, McElrath T, Mukherjee B, Seely E, Meeker J. Longitudinal Profiles of Thyroid Hormone Parameters in Pregnancy and Associations with Preterm Birth. PLOS ONE 2017, 12: e0169542. PMID: 28060899, PMCID: PMC5217954, DOI: 10.1371/journal.pone.0169542.Peer-Reviewed Original ResearchConceptsRisk of preterm birthPreterm birthNested case-control study of preterm birthThyroid hormonesSubclinical alterationsPregnant womenCase-control study of preterm birthThyroid diseaseOdds of preterm birthOngoing birth cohort studyNested case-control studyStudy of preterm birthAssociated with preterm birthBirth cohort studyTime pointsMultivariate logistic regression modelOverall preterm birthSpontaneous preterm birthWeeks of gestationClinical thyroid diseaseOvert thyroid diseaseThyroid hormone parametersMaternal thyroid hormone concentrationsMaternal thyroid hormonesLogistic regression models
2016
Mediation of the Relationship between Maternal Phthalate Exposure and Preterm Birth by Oxidative Stress with Repeated Measurements across Pregnancy
Ferguson K, Chen Y, VanderWeele T, McElrath T, Meeker J, Mukherjee B. Mediation of the Relationship between Maternal Phthalate Exposure and Preterm Birth by Oxidative Stress with Repeated Measurements across Pregnancy. Environmental Health Perspectives 2016, 125: 488-494. PMID: 27352406, PMCID: PMC5332184, DOI: 10.1289/ehp282.Peer-Reviewed Original ResearchConceptsExposure-mediator interactionPreterm birthMaternal phthalate exposureNested case-control study of preterm birthCase-control study of preterm birthNested case-control studyPhthalate exposureStudy of preterm birthPhthalate metabolitesOxidative stressSpontaneous preterm birthLongitudinal measurementsMetabolites of di(2-ethylhexyl) phthalateOdds ratioRepeated measuresDi(2-ethylhexyl) phthalateMediation analysisRegression modelsOxidative stress biomarkersEstimated proportionPretermPregnancyInteraction termsBirthAssociation