2023
Cannabis Exposure and Adverse Pregnancy Outcomes Related to Placental Function
Metz T, Allshouse A, McMillin G, Greene T, Chung J, Grobman W, Haas D, Mercer B, Parry S, Reddy U, Saade G, Simhan H, Silver R. Cannabis Exposure and Adverse Pregnancy Outcomes Related to Placental Function. JAMA 2023, 330: 2191-2199. PMID: 38085313, PMCID: PMC10716715, DOI: 10.1001/jama.2023.21146.Peer-Reviewed Original ResearchConceptsPrimary composite outcomeAdverse pregnancy outcomesComposite outcomeFirst trimesterCannabis exposurePregnancy outcomesCannabis usePlacental functionPropensity score-weighted analysisNulliparous Pregnancy Outcomes StudyOngoing exposureMaternal cannabis useUrine cotinine assayUrine samplesMedical record abstractionPregnancy outcome dataGestational-age birthsBody mass indexGestational age windowsPregnancy Outcomes StudyUS medical centersOngoing cannabis useAdjudication of outcomesMaternal cannabisHypertensive disordersPlacental lesions associated with stillbirth by gestational age, according to feature importance: Results from the stillbirth collaborative research network
Cersonsky T, Cersonsky R, Saade G, Silver R, Reddy U, Goldenberg R, Dudley D, Pinar H. Placental lesions associated with stillbirth by gestational age, according to feature importance: Results from the stillbirth collaborative research network. Placenta 2023, 137: 59-64. PMID: 37080046, PMCID: PMC10192128, DOI: 10.1016/j.placenta.2023.04.005.Peer-Reviewed Original ResearchMeSH KeywordsFemaleGestational AgeHumansInfant, NewbornPlacentaPlacenta DiseasesPregnancyPregnancy ComplicationsStillbirthConceptsStillbirth Collaborative Research NetworkGestational agePlacental lesionsDifferent gestational agesCollaborative research networksResearch NetworkTerm stillbirthFetal mortalityPlacental featuresHistologic changesStillbirthLesionsWeeksStandard protocolPlacentaFurther investigationAgePrincipal covariatesPrevious studiesGestationMortality
2019
Severe maternal morbidity during delivery hospitalisation in a large international administrative database, 2008–2013: a retrospective cohort
Lipkind H, Zuckerwise L, Turner E, Collins J, Campbell K, Reddy U, Illuzi J, Merriam A. Severe maternal morbidity during delivery hospitalisation in a large international administrative database, 2008–2013: a retrospective cohort. BJOG An International Journal Of Obstetrics & Gynaecology 2019, 126: 1223-1230. PMID: 31100201, DOI: 10.1111/1471-0528.15818.Peer-Reviewed Original ResearchMeSH KeywordsAdultAustraliaCenters for Disease Control and Prevention, U.S.ComorbidityDatabases, FactualEnglandFemaleHospitalizationHumansMaternal AgeMaternal DeathMiddle AgedObstetric Labor ComplicationsPregnancyPregnancy ComplicationsPregnancy OutcomeRetrospective StudiesRisk FactorsUnited StatesYoung AdultConceptsSevere maternal morbidityMaternal morbidityDelivery hospitalisationRetrospective cohortRisk factorsSevere maternal morbidity ratesMaternal morbidity ratesAcute renal failureLife-threatening diagnosisAdvanced maternal ageLife-saving procedureLarge university hospitalChi-square testMorbidity variesPregnancy complicationsClinical characteristicsIntravascular coagulationRenal failureSevere morbidityMultivariable analysisMorbidity rateAdverse outcomesClinical differencesMaternal ageUniversity Hospital
2018
Stillbirth, Inflammatory Markers, and Obesity: Results from the Stillbirth Collaborative Research Network
Harrison MS, Thorsten VR, Dudley DJ, Parker CB, Koch MA, Hogue CJR, Stoll BJ, Silver RM, Varner MW, Pinar MH, Coustan DR, Saade GR, Bukowski RK, Conway DL, Willinger M, Reddy UM, Goldenberg RL. Stillbirth, Inflammatory Markers, and Obesity: Results from the Stillbirth Collaborative Research Network. American Journal Of Perinatology 2018, 35: 1071-1078. PMID: 29609190, PMCID: PMC6436964, DOI: 10.1055/s-0038-1639340.Peer-Reviewed Original ResearchConceptsWhite blood cell countElevated white blood cell countBody mass indexBlood cell countSerum ferritin levelsC-reactive protein levelsNormal body mass indexMaternal serum ferritinInflammatory markersNormal-weight womenHistologic chorioamnionitisC-reactive proteinSerum ferritinLive birthsFerritin levelsCell countLogistic regression modelsWeight womenBMI categoriesCategories of BMIMaternal serum ferritin levelsStillbirth Collaborative Research NetworkPrepregnancy body mass indexElevated body mass indexLogistic regressionReassessing the Duration of the Second Stage of Labor in Relation to Maternal and Neonatal Morbidity
Grantz KL, Sundaram R, Ma L, Hinkle S, Berghella V, Hoffman MK, Reddy UM. Reassessing the Duration of the Second Stage of Labor in Relation to Maternal and Neonatal Morbidity. Obstetrics And Gynecology 2018, 131: 345-353. PMID: 29324600, PMCID: PMC5785437, DOI: 10.1097/aog.0000000000002431.Peer-Reviewed Original ResearchMeSH KeywordsAdultDelivery, ObstetricFemaleHumansInfant, NewbornInfant, Newborn, DiseasesLabor Stage, SecondPregnancyPregnancy ComplicationsRetrospective StudiesTime FactorsConceptsSpontaneous vaginal birthSecond stage durationVaginal birthNulliparous womenNeonatal complicationsNeonatal morbidityCesarean deliveryFetal heart rate tracingsFirst half hourPrior cesarean deliverySpontaneous vaginal deliveryWeeks of gestationHeart rate tracingsVertex birthsRetrospective cohortMultiparous womenSerious complicationsSerious morbidityVaginal deliveryMorbidityHalf hourLikelihood of birthComplicationsWomenBirthPotentially Preventable Stillbirth in a Diverse U.S. Cohort
Page JM, Thorsten V, Reddy UM, Dudley DJ, Hogue CJR, Saade GR, Pinar H, Parker CB, Conway D, Stoll BJ, Coustan D, Bukowski R, Varner MW, Goldenberg RL, Gibbins K, Silver RM. Potentially Preventable Stillbirth in a Diverse U.S. Cohort. Obstetrics And Gynecology 2018, 131: 336-343. PMID: 29324601, PMCID: PMC5785410, DOI: 10.1097/aog.0000000000002421.Peer-Reviewed Original ResearchConceptsStillbirth Collaborative Research NetworkPreventable stillbirthsPlacental insufficiencyHypertensive disordersMultiple gestationsMedical complicationsPopulation-based case-control studyDiverse U.S. cohortSpontaneous preterm birthMedical record abstractionWeeks of gestationCases of stillbirthCase-control studyCollaborative research networksResearch NetworkStillbirth reductionPreterm laborPreterm birthPlacental pathologyRecord abstractionNonanomalous fetusesMaternal interviewsPostmortem examinationU.S. cohortStillbirth
2016
Stillbirth, hypertensive disorders of pregnancy, and placental pathology
Gibbins KJ, Silver RM, Pinar H, Reddy UM, Parker CB, Thorsten V, Willinger M, Dudley DJ, Bukowski R, Saade GR, Koch MA, Conway D, Hogue CJ, Stoll BJ, Goldenberg RL. Stillbirth, hypertensive disorders of pregnancy, and placental pathology. Placenta 2016, 43: 61-68. PMID: 27324101, PMCID: PMC5893308, DOI: 10.1016/j.placenta.2016.04.020.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge FactorsCohort StudiesFemaleFetal DeathGestational AgeHumansHypertension, Pregnancy-InducedPlacentaPregnancyPregnancy ComplicationsStillbirthYoung AdultConceptsPlacental pathologyParenchymal infarctionLive birthsPreterm stillbirthSimilar clinical risk factorsStillbirth Collaborative Research NetworkPopulation-based cohort studyFetal vascular lesionsClinical risk factorsFeto-placental ratioGestational hypertensionRetroplacental hematomaHypertensive disordersCohort studyPlacental lesionsVascular lesionsAvascular villiFibrin depositionRisk factorsVascular thrombiStillbirthPregnancySecondary analysisInfarctionGH
2014
Fetal Growth and Risk of Stillbirth: A Population-Based Case–Control Study
Bukowski R, Hansen NI, Willinger M, Reddy UM, Parker CB, Pinar H, Silver RM, Dudley DJ, Stoll BJ, Saade GR, Koch MA, Rowland Hogue CJ, Varner MW, Conway DL, Coustan D, Goldenberg RL, . Fetal Growth and Risk of Stillbirth: A Population-Based Case–Control Study. PLOS Medicine 2014, 11: e1001633. PMID: 24755550, PMCID: PMC3995658, DOI: 10.1371/journal.pmed.1001633.Peer-Reviewed Original ResearchConceptsRisk of stillbirthCase-control studyFetal growthGestational ageLive birthsSevere SGAPopulation-based case-control studyStillbirth prevention strategiesExcessive fetal growthSingleton live birthsFetal growth abnormalitiesNormal fetal growthStillbirth risk factorsGestational age estimatesTiming of deathLGA pregnanciesSingleton stillbirthsIndividualized normsTerm pregnancy
2013
Bile acids in a multicenter, population-based case-control study of stillbirth
Silver RM, Parker CB, Goldenberg R, Reddy UM, Dudley DJ, Saade GR, Hogue CJ, Coustan D, Varner MW, Koch MA, Conway D, Bukowski R, Pinar H, Stoll B, Moore J, Willinger M. Bile acids in a multicenter, population-based case-control study of stillbirth. American Journal Of Obstetrics And Gynecology 2013, 210: 460.e1-460.e9. PMID: 24215860, PMCID: PMC4413928, DOI: 10.1016/j.ajog.2013.11.017.Peer-Reviewed Original ResearchConceptsPopulation-based case-control studyBile acid levelsCase-control studyLive birthsBile acidsStillbirth Collaborative Research NetworkAcid levelsBaseline risk factorsTerm live birthsPopulation-based studyCases of stillbirthTime of enrollmentProportion of womenMaternal serumClinical evidenceIntrahepatic cholestasisRisk factorsFetal anomaliesStillbirthElevated levelsWomenBirthSimilar proportionsCollaborative research networksResearch Network