2025
Disparities in Prenatal Care Utilization in the United States
McElfish P, Caldwell A, Selig J, Watson D, Langner J, Callaghan-Koru J, Porter A, Willis D, Andersen J, Hawley N, Mendoza-Kabua P, Brown C. Disparities in Prenatal Care Utilization in the United States. Maternal And Child Health Journal 2025, 1-9. PMID: 40986172, DOI: 10.1007/s10995-025-04150-2.Peer-Reviewed Original ResearchPrenatal care utilizationPrenatal care visitsInitiation of prenatal careCare utilizationPrenatal careCare visitsInadequate prenatal care utilizationNational Center for Health StatisticsCenter for Health StatisticsMedicaid-covered deliveriesPrenatal care accessInadequate prenatal careLate initiationSingleton live birthsDistrict of ColumbiaPerinatal healthCare accessAIAN womenHealth StatisticsPrenatal visitRacial/ethnic groupsCareMedicaid policiesResultsThe average numberWhite populationExcessive gestational weight gain associated with higher risk of cesarean delivery across body mass index categories in the United States
Mcelfish P, Hawley N, Caldwell A, Selig J, Watson D, Gomez-Pomar E, Andersen J, Kraleti S, White L, Willis D, Langston K, Manning N, Callaghan-Koru J, Porter A, Brown C. Excessive gestational weight gain associated with higher risk of cesarean delivery across body mass index categories in the United States. Journal Of Gynecology Obstetrics And Human Reproduction 2025, 54: 103010. PMID: 40796020, PMCID: PMC12434902, DOI: 10.1016/j.jogoh.2025.103010.Peer-Reviewed Original ResearchRisk of cesarean deliveryPre-pregnancy body mass indexHigher risk of cesarean deliveryBody mass indexBody mass index categoriesCesarean deliveryGestational weight gainExcessive GWGAssociated with higher riskPre-pregnancyNational Center for Health StatisticsExcessive gestational weight gainCenter for Health StatisticsCesarean delivery riskHigher pre-pregnancy body mass indexRate of gestational weight gainMode of birthVital records dataRate of GWGSingleton term birthsJ-shaped relationshipHigh riskCephalic presentationProvider levelHealth StatisticsMaternal Obesity and Neonatal Death in Preterm US Pacific Islander Neonates Using 2 Analytic Approaches
Wu B, Taylor S, Hawley N, Shabanova V. Maternal Obesity and Neonatal Death in Preterm US Pacific Islander Neonates Using 2 Analytic Approaches. JAMA Network Open 2025, 8: e2528924. PMID: 40856998, PMCID: PMC12381668, DOI: 10.1001/jamanetworkopen.2025.28924.Peer-Reviewed Original ResearchConceptsFetuses-at-risk approachFetuses-at-riskPrepregnancy body mass indexBody mass indexPreterm birthGestational ageNeonatal deathPacific Islander individualsObesity class ICohort studyWeeks GAPrepregnancy obesityStratification biasIslander individualsNational Center for Health StatisticsRate of neonatal deathPopulation-based cohort studyCenter for Health StatisticsClass IDegree of prematurityMother-neonate dyadsPrevalence of obesityCox proportional hazards modelsNeonatal mortality ratePreterm birth prevalenceSociodemographic factors associated with prenatal care utilization in Arkansas, United States
McElfish P, Caldwell A, Watson D, Langner J, Callaghan-Koru J, Porter A, Willis D, Andersen J, Hawley N, Selig J, Forati A, Alcala M, White L, Gomez-Pomar E, Brown C. Sociodemographic factors associated with prenatal care utilization in Arkansas, United States. Preventive Medicine Reports 2025, 51: 102983. PMID: 39990201, PMCID: PMC11847520, DOI: 10.1016/j.pmedr.2025.102983.Peer-Reviewed Original ResearchPrenatal care visitsPrenatal carePrenatal visitCare visitsRural/Urban ResidenceNational Center for Health StatisticsCenter for Health StatisticsPrenatal care utilizationBirth record dataSingleton live birthsMedicaid-covered birthsCare utilizationHealth StatisticsResults MothersMaternal educationRacial/ethnic groupsRate ratiosCareRecord dataMaternal ageWhite mothersPrimary outcomeUtilization differencesRural areasStudy population
2024
Pre‐pregnancy BMI, rate of gestational weight gain, and preterm birth among US Pacific Islander individuals
Wu B, Shabanova V, Taylor S, Hawley N. Pre‐pregnancy BMI, rate of gestational weight gain, and preterm birth among US Pacific Islander individuals. Obesity 2024, 32: 798-809. PMID: 38304993, PMCID: PMC10965383, DOI: 10.1002/oby.23979.Peer-Reviewed Original ResearchRate of gestational weight gainGestational weight gainPacific Islander individualsPre-pregnancy BMIIncreased risk of PTBRisk of preterm birthPreterm birthPre-pregnancyIslander individualsObesity classNational Center for Health StatisticsCenter for Health StatisticsIncreased riskObesity class ICox proportional hazards modelsPacific Islander mothersHealthy weightWeight gainProportional hazards modelHealth StatisticsSingleton infantsCongenital anomaliesBMIClass IHazards model
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