1998
Subtle ultrasonographic anomalies: Do they improve the Down syndrome detection rate?
Deren O, Mahoney M, Copel J, Bahado-Singh R. Subtle ultrasonographic anomalies: Do they improve the Down syndrome detection rate? American Journal Of Obstetrics And Gynecology 1998, 178: 441-445. PMID: 9539505, DOI: 10.1016/s0002-9378(98)70417-x.Peer-Reviewed Original ResearchMeSH KeywordsAbnormalities, MultipleAnthropometryCerebral VentriclesDown SyndromeFemaleFingersHumansIntestinesKidney PelvisPredictive Value of TestsPregnancyPregnancy Trimester, SecondProspective StudiesStatistics as TopicUltrasonography, Doppler, ColorUltrasonography, Doppler, TranscranialUltrasonography, Prenatal
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