2000
Combined ultrasound biometry, serum markers and age for Down syndrome risk estimation
Bahado‐Singh R, Oz A, Gomez K, Hunter D, Copel J, Baumgarten A, Mahoney M. Combined ultrasound biometry, serum markers and age for Down syndrome risk estimation. Ultrasound In Obstetrics And Gynecology 2000, 15: 199-204. PMID: 10846774, DOI: 10.1046/j.1469-0705.2000.00071.x.Peer-Reviewed Original ResearchConceptsMaternal ageAlpha-fetoproteinTriple screenSerum markersUltrasound biometryDown syndromeNuchal thickness measurementMedian maternal ageSerum alpha-fetoproteinNormal singleton pregnanciesHumerus lengthGestational age rangeDown's syndrome screening efficiencySingleton pregnanciesReferral populationFalse positive rateSecond trimesterIndividual Down syndrome oddsFetal biometryUnconjugated estriolStudy groupNuchal thicknessDown syndrome risk estimationHCGAge range
1998
An alternative for women initially declining genetic amniocentesis: Individual Down syndrome odds on the basis of maternal age and multiple ultrasonographic markers
Bahado-Singh R, Deren O, Oz U, Tan A, Hunter D, Copel J, Mahoney M. An alternative for women initially declining genetic amniocentesis: Individual Down syndrome odds on the basis of maternal age and multiple ultrasonographic markers. American Journal Of Obstetrics And Gynecology 1998, 179: 514-519. PMID: 9731862, DOI: 10.1016/s0002-9378(98)70388-6.Peer-Reviewed Original ResearchConceptsHyperechoic fetal bowelMaternal ageDown syndromeFetal bowelUltrasonographic parametersScreen-positive rateSignificant independent predictorsAge-related riskDown syndrome riskIndividual oddsLikelihood ratioPositive predictive valueHypoplastic fifth digitDigit hypoplasiaWeeks' gestationIndependent predictorsNormal medianIndividual Down syndrome oddsSingleton fetusesSyndrome riskUltrasonographic markersSerum screeningGenetic amniocentesisHigh riskNuchal thickeningNew triple screen test for Down syndrome: Combined urine analytes and serum AFP
Bahado‐Singh R, Oz U, Kovanci E, Cermik D, Flores D, Copel J, Mahoney M, Cole L. New triple screen test for Down syndrome: Combined urine analytes and serum AFP. The Journal Of Maternal-Fetal Medicine 1998, 7: 111-114. PMID: 9642606, DOI: 10.1002/(sici)1520-6661(199805/06)7:3<111::aid-mfm2>3.0.co;2-n.Peer-Reviewed Original ResearchConceptsSerum AFPIndividual Down syndrome oddsMaternal ageTriple screenUrine beta-core fragmentDown syndromeTriple testTriple screen testBeta-core fragmentDown syndrome casesNeural tube defectsDown's syndrome likelihood ratiosEstriol levelsLarge trialsSecond trimesterUrine testsPositive rateEstriol ratioSyndrome casesTube defectsScreen testFalse positive rateAFP dataUrine analytesAFPNew triple screen test for down syndrome: Combined urine analytes and serum AFP
Bahado-Singh R, Oz U, Kovanci E, Cermik D, Flores D, Copel J, Mahoney M, Cole L. New triple screen test for down syndrome: Combined urine analytes and serum AFP. The Journal Of Maternal-Fetal Medicine 1998, 7: 111-114. DOI: 10.3109/14767059809020424.Peer-Reviewed Original ResearchSerum AFPIndividual Down syndrome oddsMaternal ageTriple screenDown syndromeTriple testTriple screen testΒ-core fragmentDown syndrome casesNeural tube defectsDown's syndrome likelihood ratiosEstriol levelsLarge trialsSecond trimesterUrine testsPositive rateEstriol ratioSyndrome casesTube defectsScreen testFalse positive rateAFP dataUrine analytesAFPSyndrome