1988
Amniotic fluid α-fetoprotein concentrations in twin gestations: Dependence on placental membrane anatomy
Stiller R, Lockwood C, Belanger K, Baumgarten A, Hobbins J, Mahoney M. Amniotic fluid α-fetoprotein concentrations in twin gestations: Dependence on placental membrane anatomy. American Journal Of Obstetrics And Gynecology 1988, 158: 1088-1092. PMID: 2453115, DOI: 10.1016/0002-9378(88)90227-x.Peer-Reviewed Original ResearchConceptsAmniotic fluid alpha-fetoprotein concentrationsAlpha-fetoprotein concentrationTwin pregnanciesGestational ageAcetylcholinesterase levelsUncomplicated twin pregnanciesTwin membersEquivalent gestational ageDiscordant twin pregnanciesΑ-fetoprotein concentrationMembrane anatomySingleton pregnanciesTwin gestationsFetal anomaliesGenetic amniocentesisNormal rangePregnancyUnaffected twinsUnaffected fetusesTwin pairsPlacentaAgeAnatomy
1987
Sonographic features of the triploid fetus
Lockwood C, Scioscia A, Stiller R, Hobbins J. Sonographic features of the triploid fetus. American Journal Of Obstetrics And Gynecology 1987, 157: 285-287. PMID: 3303932, DOI: 10.1016/s0002-9378(87)80152-7.Peer-Reviewed Original ResearchConceptsTriploid fetusesSonographic featuresUnexplained intrauterine growth retardationIntrauterine growth retardationAmniotic fluid volumeCharacteristic sonographic featuresGestational ageObstetric managementPathologic examinationSevere headSonographic characteristicsPlacental abnormalitiesHydropic changesBody disproportionBiparietal diameterGrowth retardationKaryotype confirmationFemur lengthFetusesFluid volumePregnancyAbnormalitiesPlacentaWeeks