Abnormalities, MultipleChromosome AberrationsCongenital AbnormalitiesChromosome DisordersEye AbnormalitiesKaryotypingMagnetic Resonance ImagingBrainCardiovascular AbnormalitiesCraniofacial AbnormalitiesSyndromeSkin AbnormalitiesPhenotypeUrogenital AbnormalitiesPregnancyTrisomyMutationMusculoskeletal AbnormalitiesIn Situ Hybridization, FluorescenceTooth AbnormalitiesTranslocation, GeneticInfant, NewbornAneuploidyElectrocardiographyDisease Models, AnimalSex Chromosome AberrationsRetrospective StudiesAbnormalities, Drug-InducedCase-Control StudiesTime FactorsFetal DiseasesSchizophreniaPedigreeProspective StudiesCytogenetic AnalysisBrain DiseasesTomography, X-Ray ComputedMice, KnockoutUltrasonography, PrenatalChromosome DeletionHeart Defects, CongenitalSensitivity and SpecificityImage Processing, Computer-AssistedChromosome BandingFollow-Up StudiesCytogeneticsPrenatal DiagnosisNervous System MalformationsEchocardiographyMice, TransgenicMice, Mutant StrainsPrognosisHomozygoteRisk FactorsMice, Inbred C57BLHeterozygoteIntellectual DisabilityChromosomes, Human, Pair 13Reference ValuesBiopsyPredictive Value of TestsAgenesis of Corpus CallosumDown SyndromeDigestive System AbnormalitiesElectroencephalographyAtrophyLimb Deformities, CongenitalMosaicismChromosomes, Human, Pair 11Neurologic ExaminationDiffusion Magnetic Resonance ImagingOcular Motility DisordersMyelodysplastic SyndromesGestational AgeAbnormal KaryotypeNerve Fibers, MyelinatedGene DeletionHeartInfertility, MaleAnalysis of VarianceBlood Coagulation DisordersChromosomes, Human, Pair 7Cerebral CortexImmunohistochemistrySeverity of Illness IndexHeart DiseasesMolecular Sequence DataBase SequencePrevalenceNervous System DiseasesCorpus CallosumCohort StudiesAcute DiseaseAge FactorsTreatment OutcomeTomography, Emission-Computed, Single-PhotonReproducibility of ResultsAnisotropyDisease ProgressionDNA Mutational Analysis