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 cohortIndividual and joint effects of phthalate metabolites on biomarkers of oxidative stress among pregnant women in Puerto Rico
Cathey A, Eaton J, Ashrap P, Watkins D, Rosario Z, Vega C, Alshawabkeh A, Cordero J, Mukherjee B, Meeker J. Individual and joint effects of phthalate metabolites on biomarkers of oxidative stress among pregnant women in Puerto Rico. Environment International 2021, 154: 106565. PMID: 33882432, PMCID: PMC9923976, DOI: 10.1016/j.envint.2021.106565.Peer-Reviewed Original ResearchConceptsBayesian kernel machine regressionPhthalate metabolitesEnvironmental risk scoreBiomarkers of oxidative stressPregnant womenPhthalate mixtureBayesian kernel machine regression analysisEffects of phthalate metabolitesOxidative stressIndividual phthalate metabolitesLipid oxidative stressUrinary biomarker measurementsKernel machine regressionAdverse birth outcomesPuerto Rico TestsiteOxidative stress biomarkersChemical fractionationContamination threatLongitudinal birth cohortPhthalate compoundsLinear mixed effects modelsBirth outcomesOxidative stress mechanismsStudy visitsPhthalate exposure
2018
Associations 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
2016
Urinary phthalate metabolite and bisphenol A associations with ultrasound and delivery indices of fetal growth
Ferguson K, Meeker J, Cantonwine D, Chen Y, Mukherjee B, McElrath T. Urinary phthalate metabolite and bisphenol A associations with ultrasound and delivery indices of fetal growth. Environment International 2016, 94: 531-537. PMID: 27320326, PMCID: PMC4980186, DOI: 10.1016/j.envint.2016.06.013.Peer-Reviewed Original ResearchConceptsActual fetal weightUrinary phthalate metabolitesPhthalate metabolitesFetal weightFetal growthDi-2-ethylhexyl phthalate metabolitesNon-anomalous singleton pregnanciesAssociated with decreased fetal growthConcentrations of phthalate metabolitesTime pointsExposure to di-2-ethylhexyl phthalateSingleton pregnanciesLongitudinal birth cohortFetal sexDi-2-ethylhexyl phthalateInterquartile range increaseCross-sectional associationsUltrasound scanPregnancyInverse associationMaternal exposureDelivery indexUrine samplesStandard deviation decreaseBirth cohort
2014
Variability in urinary phthalate metabolite levels across pregnancy and sensitive windows of exposure for the risk of preterm birth
Ferguson K, McElrath T, Ko Y, Mukherjee B, Meeker J. Variability in urinary phthalate metabolite levels across pregnancy and sensitive windows of exposure for the risk of preterm birth. Environment International 2014, 70: 118-124. PMID: 24934852, PMCID: PMC4104181, DOI: 10.1016/j.envint.2014.05.016.Peer-Reviewed Original ResearchConceptsAdjusted odds ratiosUrinary phthalate metabolite levelsPreterm birthPhthalate metabolite levelsOdds ratioOdds of preterm birthAssociated with increased odds of preterm birthIncreased risk of delivering pretermCases of preterm birthWeeks of completed gestationRisk of delivering pretermAssociated with increased oddsMetabolite levelsPresentation of preeclampsiaSignificant public health problemSpontaneous preterm birthIntrauterine growth restrictionLongitudinal birth cohortPhthalate metabolite concentrationsPublic health problemBirth outcomesBirth cohortGrowth restrictionThird trimesterPregnant women