2001
Ratio of nuchal thickness to humerus length for Down syndrome detection
Bahado-Singh R, Oz U, Hsu C, Deren O, Copel J, Mahoney M. Ratio of nuchal thickness to humerus length for Down syndrome detection. American Journal Of Obstetrics And Gynecology 2001, 184: 1284-1288. PMID: 11349203, DOI: 10.1067/mob.2001.113878.Peer-Reviewed Original ResearchConceptsDown syndrome riskHigh-risk groupMaternal ageSyndrome riskNuchal thicknessDown syndromeDown syndrome detectionStudy populationIndividual Down's syndrome riskMean gestational ageOverall study populationAge-related riskHumerus lengthSyndrome detectionDown syndrome casesDown's syndrome likelihood ratiosGestational ageProspective dataHealthy groupGross anomaliesNormal fetusesSyndrome casesBiparietal diameterAmniocentesis casesFetal population
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
Fifth digit measurement in normal pregnancies: a potential sonographic sign of Down's syndrome
Goldstein I, Gomez K, Copel J. Fifth digit measurement in normal pregnancies: a potential sonographic sign of Down's syndrome. Ultrasound In Obstetrics And Gynecology 1995, 5: 34-37. PMID: 7850587, DOI: 10.1046/j.1469-0705.1995.05010034.x.Peer-Reviewed Original ResearchConceptsGestational ageFifth fingerBiparietal diameterDown syndromeFemoral lengthHumeral lengthRoutine biometric measurementsNormal pregnancyWeeks' gestationStudy groupSonographic signsNormal fetusesSyndromePrenatal detectionFurther studiesGestationAgeNormative dataFetusesBiometric measurementsFingerLinear growthDigit measurementsPregnancy
1994
Growth of the fetal gall bladder in normal pregnancies
Goldstein I, Tamir A, Weisman A, Jakobi P, Copel J. Growth of the fetal gall bladder in normal pregnancies. Ultrasound In Obstetrics And Gynecology 1994, 4: 289-293. PMID: 12797163, DOI: 10.1046/j.1469-0705.1994.04040289.x.Peer-Reviewed Original ResearchFetal gall bladderGestational ageGall bladderAbdominal circumferenceBiparietal diameterBladder areaFirst-degree correlationGall-bladder areaFemoral lengthNormal pregnant womenBiliary duct systemSignificant correlationRoutine biometric measurementsNormative dataBladder circumferenceNormal pregnancyWeeks' gestationPregnant womenAdditional lesionsStudy groupBladderCircumferenceLong bonesAgeFurther studies