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 cohort