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 disorders
2018
Potentially 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
2017
Diagnostic 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
2011
Stillbirth Collaborative Research Network: design, methods and recruitment experience
Parker CB, Hogue CJ, Koch MA, Willinger M, Reddy UM, Thorsten VR, Dudley DJ, Silver RM, Coustan D, Saade GR, Conway D, Varner MW, Stoll B, Pinar H, Bukowski R, Carpenter M, Goldenberg R, Network F. Stillbirth Collaborative Research Network: design, methods and recruitment experience. Paediatric And Perinatal Epidemiology 2011, 25: 425-435. PMID: 21819424, PMCID: PMC3665402, DOI: 10.1111/j.1365-3016.2011.01218.x.Peer-Reviewed Original ResearchConceptsStillbirth Collaborative Research NetworkPost-mortem examinationMaternal interviewsPlacental pathological examinationMedical record abstractionCase-control studyCase-control study participantsTime of deliveryHigher consent ratesGeographical catchment areasRecruitment experienceRecruitment hospitalChart abstractionProspective enrollmentPlacental pathologyRecord abstractionWeeks' gestationPathological examinationRisk factorsConsent ratesLivebirthsStillbirthClinical sitesStudy participantsAdditional surveillance
2010
A New System for Determining the Causes of Stillbirth
Dudley DJ, Goldenberg R, Conway D, Silver RM, Saade GR, Varner MW, Pinar H, Coustan D, Bukowski R, Stoll B, Koch MA, Parker CB, Reddy UM. A New System for Determining the Causes of Stillbirth. Obstetrics And Gynecology 2010, 116: 254-260. PMID: 20664383, PMCID: PMC3832680, DOI: 10.1097/aog.0b013e3181e7d975.Peer-Reviewed Original ResearchConceptsCause of deathStillbirth Collaborative Research NetworkFetal deathInitial causePlacental pathologic findingsPlacental pathology dataCauses of stillbirthMaternal medical conditionsMedical record abstractionStrict diagnostic criteriaHistologic chorioamnionitisObstetric complicationsPlacental infectionFetal infectionPlacental pathologyRecord abstractionGestational agePathologic findingsPathophysiologic sequencePrenatal careClinical evaluationHematologic conditionsMaternal interviewsPostmortem examinationMedical conditions