1999
The Doppler cerebroplacental ratio and perinatal outcome in intrauterine growth restriction
Bahado-Singh R, Kovanci E, Jeffres A, Oz U, Deren O, Copel J, Mari G. The Doppler cerebroplacental ratio and perinatal outcome in intrauterine growth restriction. American Journal Of Obstetrics And Gynecology 1999, 180: 750-756. PMID: 10076158, DOI: 10.1016/s0002-9378(99)70283-8.Peer-Reviewed Original ResearchConceptsIntrauterine growth restrictionDoppler cerebroplacental ratioPerinatal outcomesCerebroplacental ratioBirth weightGrowth restrictionDoppler examinationUmbilical artery pulsatility index valuesStepwise logistic regression analysisAbnormal cerebroplacental ratioBrain-sparing effectLast Doppler examinationUmbilical artery DopplerUmbilical artery velocimetryPulsatility index valuesReceiver operator curve characteristicsReceiver operator characteristic curveLogistic regression analysisRegression analysisArtery DopplerPerinatal morbidityPerinatal complicationsWeeks' gestationNormal medianPerinatal problems
1997
First-trimester growth restriction and fetal aneuploidy: The effect of type of aneuploidy and gestational age
Bahado-Singh R, Lynch L, Deren O, Morroti R, Copel J, Mahoney M, Williams J. First-trimester growth restriction and fetal aneuploidy: The effect of type of aneuploidy and gestational age. American Journal Of Obstetrics And Gynecology 1997, 176: 976-980. PMID: 9166154, DOI: 10.1016/s0002-9378(97)70388-0.Peer-Reviewed Original ResearchConceptsCrown-rump lengthGestational ageTrisomy 18First trimester fetal growthFirst-trimester crown-rump lengthLength shorteningFirst-trimester growth restrictionLast menstrual periodReceiver operator characteristic curveFirst-trimester fetusesPrenatal diagnosis centerWeeks' gestationRisk pregnanciesFetal growthAneuploidy riskControl fetusesGrowth restrictionMenstrual periodNormal groupNormal fetusesTrimester fetusesAneuploid fetusesTrisomy 21Trisomy 13Down syndrome
1996
Ultrasonographically adjusted midtrimester risk of trisomy 21 and significant chromosomal defects in advanced maternal age
Bahado-Singh R, Deren Ö, Tan A, D'Ancona R, Hunter D, Copel J, Mahoney M. Ultrasonographically adjusted midtrimester risk of trisomy 21 and significant chromosomal defects in advanced maternal age. American Journal Of Obstetrics And Gynecology 1996, 175: 1563-1568. PMID: 8987942, DOI: 10.1016/s0002-9378(96)70107-2.Peer-Reviewed Original ResearchConceptsAdvanced maternal ageMaternal ageDown syndromeNormal ultrasonographyUltrasonography resultsAbdominal circumferenceNuchal thicknessAnatomic defectsChromosomal defectsSmaller abdominal circumferenceChoroid plexus cystsFetal Down syndromeReceiver operator characteristic curveStepwise logistic regressionAbnormal ultrasonography resultsBasis of ageDown syndrome detectionUltrasonographic resultsNormal groupChromosome defectsBiparietal diameterRisk tablesTrisomy 21SyndromeShort humerus
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 estimatesFetusesThe predictive value of maternal serum testing for detection of fetal anemia in red blood cell alloimmunization
Moise K, Perkins J, Sosler S, Brown S, Saade G, Carpenter R, Thorp J, Ludomirski A, Wilkins I, Grannum P, Copel J. The predictive value of maternal serum testing for detection of fetal anemia in red blood cell alloimmunization. American Journal Of Obstetrics And Gynecology 1995, 172: 1003-1009. PMID: 7892839, DOI: 10.1016/0002-9378(95)90034-9.Peer-Reviewed Original ResearchConceptsRed blood cell alloimmunizationFetal anemiaMarsh scoreReceiver operator characteristic curveCoombs titersRed blood cell antibodiesMaternal antibody titersGroups of fetusesMaternal serum testingCharacteristic curveMaternal serum testsMaternal titersCell antibodiesAntigen statusGestational agePregnant womenAntibody titersSerum testingSerum testFetal hematocritInvasive testingFetal bloodKruskal-Wallis testAnemiaFetal disease