1998
New Down syndrome screening algorithm: Ultrasonographic biometry and multiple serum markers combined with maternal age
Bahado-Singh R, Oz A, Kovanci E, Deren O, Copel J, Baumgarten A, Mahoney J. New Down syndrome screening algorithm: Ultrasonographic biometry and multiple serum markers combined with maternal age. American Journal Of Obstetrics And Gynecology 1998, 179: 1627-1631. PMID: 9855608, DOI: 10.1016/s0002-9378(98)70036-5.Peer-Reviewed Original ResearchConceptsHumerus length measurementsSerum markersDown syndromeMaternal ageTriple screenHumerus lengthMultiple stepwise logistic regression analysisTriple-marker serum screeningSerum analytesStepwise logistic regression analysisScreening algorithmHigh-risk populationFetal Down syndromeMultiple serum markersDown syndrome screeningHuman chorionic gonadotropinLogistic regression analysisNew screening algorithmDown's syndrome screening efficiencyPrenatal Down syndrome screeningDown syndrome detectionFalse positive rateSerum screenSingleton fetusesUnconjugated estriol
1995
Normal nuchal thickness inthe midtrimester indicates reduced risk of Down syndrome in pregnancies with abnormal triple-screen results
Bahado-Singh R, Goldstein I, Uerpairojkit B, Copel J, Mahoney M, Baumgarten A. Normal nuchal thickness inthe midtrimester indicates reduced risk of Down syndrome in pregnancies with abnormal triple-screen results. American Journal Of Obstetrics And Gynecology 1995, 173: 1106-1110. PMID: 7485301, DOI: 10.1016/0002-9378(95)91334-3.Peer-Reviewed Original ResearchConceptsAbnormal triple-screen resultsTriple-screen resultsNuchal thicknessDown syndromeHuman chorionic gonadotropin levelsNuchal thickness measurementChorionic gonadotropin levelsReceiver operator characteristic curveNumber of amniocentesesReceiver operator characteristic plotsRisk thresholdMidtrimester pregnancyGonadotropin levelsWeeks' gestationMaternal ageConsecutive fetusesUnconjugated estriolSerum screeningEuploid fetusesAlpha-fetoproteinSyndromeTrisomy 21Screen resultsRisk estimatesFetuses
1986
The value of serial human chorionic gonadotropin testing as a diagnostic tool in ectopic pregnancy
Romero R, Kadar N, Copel J, Jeanty P, DeCherney A, Hobbins J. The value of serial human chorionic gonadotropin testing as a diagnostic tool in ectopic pregnancy. American Journal Of Obstetrics And Gynecology 1986, 155: 392-394. PMID: 3740163, DOI: 10.1016/0002-9378(86)90838-0.Peer-Reviewed Original ResearchConceptsEctopic pregnancySerial human chorionic gonadotropin determinationsHuman chorionic gonadotropin testingHuman chorionic gonadotropin titersHuman chorionic gonadotropin determinationsSlope of changeIntrauterine pregnancyMIU/Serial titersGonadotropin determinationsCutoff valuePregnancyPatientsTitersDiagnostic toolTime curvePositive rateAbnormal slopeFalse positive rate
1985
The effect of different human chorionic gonadotropin assay sensitivity on screening for ectopic pregnancy
Romero R, Kadar N, Copel J, Jeanty P, DeCherney A, Hobbins J. The effect of different human chorionic gonadotropin assay sensitivity on screening for ectopic pregnancy. American Journal Of Obstetrics And Gynecology 1985, 153: 72-74. PMID: 4037000, DOI: 10.1016/0002-9378(85)90593-9.Peer-Reviewed Original ResearchMeSH KeywordsChorionic GonadotropinFalse Negative ReactionsFemaleHumansPregnancyPregnancy Tests, ImmunologicPregnancy, EctopicRadioimmunoassayTime FactorsDiagnosis of ectopic pregnancy: value of the discriminatory human chorionic gonadotropin zone.
Romero R, Kadar N, Jeanty P, Copel J, Chervenak F, DeCherney A, Hobbins J. Diagnosis of ectopic pregnancy: value of the discriminatory human chorionic gonadotropin zone. Obstetrics And Gynecology 1985, 66: 357-60. PMID: 3895079.Peer-Reviewed Original ResearchMeSH KeywordsAbortion, SpontaneousChorionic GonadotropinFemaleHumansPregnancyPregnancy, EctopicProspective StudiesUltrasonographyConceptsIntrauterine gestational sacEctopic pregnancyHuman chorionic gonadotropinGestational sacPredictive valueSerum hCG determinationsPercent of patientsPelvic ultrasound examinationMIU/mLNegative predictive valuePositive predictive valueHCG levelsIntrauterine gestationSerum levelsProspective studyMIU/Spontaneous abortionUltrasound examinationHCG concentrationsChorionic gonadotropinHCG determinationsPregnancyPatientsSacGestationValue of culdocentesis in the diagnosis of ectopic pregnancy.
Romero R, Copel J, Kadar N, Jeanty P, Decherney A, Hobbins J. Value of culdocentesis in the diagnosis of ectopic pregnancy. Obstetrics And Gynecology 1985, 65: 519-22. PMID: 3982726.Peer-Reviewed Original ResearchConceptsEctopic pregnancyPositive culdocentesisTubal ectopic pregnancyEvaluation of patientsTime of surgeryClinician suspicionEctopic gestationPeritoneal signsUnruptured tubeCuldocentesisAuthors' patientsPatientsPregnancyDiagnostic valueHemoperitoneumSuspicionDiagnosisThree-year periodOne-quarterThree-quartersSuch findingsSurgeryGestationWomen