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 disordersAssessing Intrauterine Retention according to Microscopic Stillbirth Features: A Cluster Analysis Approach
Cersonsky T, Saade G, Silver R, Reddy U, Dudley D, Pinar H. Assessing Intrauterine Retention according to Microscopic Stillbirth Features: A Cluster Analysis Approach. Fetal And Pediatric Pathology 2023, 42: 860-869. PMID: 37571967, PMCID: PMC10843727, DOI: 10.1080/15513815.2023.2246571.Peer-Reviewed Original ResearchMacroscopic lesions of maternal and fetal vascular malperfusion in stillborn placentas: Diagnosis in the absence of microscopic histopathological examination
Cersonsky T, Silver R, Saade G, Dudley D, Reddy U, Pinar H. Macroscopic lesions of maternal and fetal vascular malperfusion in stillborn placentas: Diagnosis in the absence of microscopic histopathological examination. Placenta 2023, 140: 60-65. PMID: 37536149, PMCID: PMC10530266, DOI: 10.1016/j.placenta.2023.07.296.Peer-Reviewed Original ResearchConceptsFetal vascular malperfusionMaternal vascular malperfusionVascular malperfusionLive birthsFVM lesionsGestational ageMacroscopic findingsAmsterdam Placental Workshop Group Consensus StatementStillbirth Collaborative Research NetworkMicroscopic histopathological examinationMicroscopic pathologic evaluationHistory of hypertensionOdds of stillbirthGroup Consensus StatementMultivariate logistic regressionMVM lesionsPathologic evaluationHistopathological examinationMaternal raceOdds ratioConsensus statementHigher oddsUmbilical cordStillbirthMaternal factorsCopy number variants and fetal structural abnormalities in stillborn fetuses: A secondary analysis of the Stillbirth Collaborative Research Network study
Workalemahu T, Dalton S, Son S, Allshouse A, Carey A, Page J, Blue N, Thorsten V, Goldenberg R, Pinar H, Reddy U, Silver R. Copy number variants and fetal structural abnormalities in stillborn fetuses: A secondary analysis of the Stillbirth Collaborative Research Network study. BJOG An International Journal Of Obstetrics & Gynaecology 2023, 131: 157-162. PMID: 37264725, PMCID: PMC10689565, DOI: 10.1111/1471-0528.17561.Peer-Reviewed Original ResearchConceptsCopy number variantsFetal structural malformationsAbnormal copy number variantsNumber variantsSingle nucleotide polymorphism arrayResearch Network StudyStillbirth casesDNA copy number variantsSpecific copy number variantsCardiac defectsPolymorphism arrayStructural malformationsSecondary analysisCraniofacial defectsGenesSpecific malformation typesFetal structural abnormalitiesWald chi-square testUnknown clinical significanceChi-square testKbSkeletal defectsBenign copy number variantsPathogenic deletionsClinical significancePlacental 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 ResearchConceptsStillbirth Collaborative Research NetworkGestational agePlacental lesionsDifferent gestational agesCollaborative research networksResearch NetworkTerm stillbirthFetal mortalityPlacental featuresHistologic changesStillbirthLesionsWeeksStandard protocolPlacentaFurther investigationAgePrincipal covariatesPrevious studiesGestationMortality
2022
Copy number variants and fetal growth in stillbirths
Dalton S, Workalemahu T, Allshouse A, Page J, Reddy U, Saade G, Pinar H, Goldenberg R, Dudley D, Silver R. Copy number variants and fetal growth in stillbirths. American Journal Of Obstetrics And Gynecology 2022, 228: 579.e1-579.e11. PMID: 36356697, PMCID: PMC10149588, DOI: 10.1016/j.ajog.2022.11.1274.Peer-Reviewed Original ResearchConceptsAbnormal copy number variantsFetal growth abnormalitiesGestational ageOdds ratioStillbirth Collaborative Research NetworkGenetic abnormalitiesChromosomal microarrayGestational age outcomesGestational age infantsGrowth abnormalitiesClinical risk factorsCohort study designAdjusted odds ratioCopy number variantsUnknown clinical significancePathogenic copy number variantsPlacental insufficiencyAge infantsNumber variantsFetal growthMaternal ageRisk factorsClinical significanceHigh incidenceStillbirthHypertension in pregnancy and adverse outcomes among low‐risk nulliparous women expectantly managed at or after 39 weeks: a secondary analysis of a randomised controlled trial
Bartal M, Premkumar A, Rice M, Reddy U, Tita ATN, Silver RM, El‐Sayed Y, Wapner R, Rouse DJ, Saade GR, Thorp JM, Costantine M, Chien EK, Casey BM, Srinivas SK, Swamy GK, Simhan HN, Health H. Hypertension in pregnancy and adverse outcomes among low‐risk nulliparous women expectantly managed at or after 39 weeks: a secondary analysis of a randomised controlled trial. BJOG An International Journal Of Obstetrics & Gynaecology 2022, 129: 1396-1403. PMID: 34927787, PMCID: PMC9207156, DOI: 10.1111/1471-0528.17059.Peer-Reviewed Original ResearchConceptsAdverse maternal outcomesLow-risk nulliparous womenHypertensive disordersMaternal outcomesSecondary outcomesNulliparous womenAdverse outcomesComposite adverse maternal outcomeIntensive care unit admissionSecondary analysisCare unit admissionSevere neonatal complicationsWeeks of gestationMode of deliveryNulliparous individualsMaternal compositeNeonatal complicationsPerinatal compositePostpartum infectionUnit admissionCaesarean deliveryExpectant managementPlacental abruptionVenous thromboembolismGestational age
2017
Altered fetal growth, placental abnormalities, and stillbirth
Bukowski R, Hansen NI, Pinar H, Willinger M, Reddy UM, Parker CB, Silver RM, Dudley DJ, Stoll BJ, Saade GR, Koch MA, Hogue C, Varner MW, Conway DL, Coustan D, Goldenberg RL, . Altered fetal growth, placental abnormalities, and stillbirth. PLOS ONE 2017, 12: e0182874. PMID: 28820889, PMCID: PMC5562325, DOI: 10.1371/journal.pone.0182874.Peer-Reviewed Original ResearchConceptsFetal growth abnormalitiesAltered fetal growthFetal growthLive birthsPlacental abnormalitiesPlacental findingsGrowth abnormalitiesImpaired placental functionSingleton live birthsCase-control studyCause of deathPatterns of associationSingleton stillbirthsPlacental examinationTerm stillbirthGestational ageRisk factorsPerinatal pathologistsPlacental functionClinical careStillbirthAbnormalitiesStandardized protocolBirthDeathDiagnostic Tests for Evaluation of Stillbirth
Page JM, Christiansen-Lindquist L, Thorsten V, Parker CB, Reddy UM, Dudley DJ, Saade GR, Coustan D, Hogue C, Conway D, Bukowski R, Pinar H, Heuser CC, Gibbins KJ, Goldenberg RL, Silver RM. Diagnostic Tests for Evaluation of Stillbirth. Obstetrics And Gynecology 2017, 129: 699-706. PMID: 28333795, DOI: 10.1097/aog.0000000000001937.Peer-Reviewed Original ResearchConceptsStillbirth Collaborative Research NetworkCause of deathAntiphospholipid antibodiesPlacental pathologyDiagnostic testsEvaluation of stillbirthMedical record abstractionPopulation-based studyCollaborative research networksDeath classification systemResearch NetworkRecord abstractionSyphilis serologyClinical presentationToxicology screenAntibody screenClinical historyMaternal interviewsStillbirthSecondary analysisGenetic testingUseful testBiospecimen collectionStandardized evaluationMost participants
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 ResearchConceptsPlacental 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