Prenatal DiagnosisDelayed DiagnosisEarly DiagnosisSensitivity and SpecificityAbnormalities, MultipleRetrospective StudiesDiagnosisMagnetic Resonance ImagingChromosome AberrationsTomography, X-Ray ComputedPregnancyBiopsyDiagnostic ErrorsPredictive Value of TestsProspective StudiesInfant, NewbornCongenital AbnormalitiesChromosome DisordersTime FactorsKaryotypingPrognosisFollow-Up StudiesReproducibility of ResultsSyndromeRisk FactorsFetal DiseasesDiagnosis, Computer-AssistedEye AbnormalitiesTreatment OutcomeNursing DiagnosisPreimplantation DiagnosisPolymerase Chain ReactionCase-Control StudiesBrainUltrasonography, PrenatalMutationCohort StudiesFatal OutcomePhenotypeAge FactorsPrevalenceAcute DiseaseIncidenceIn Situ Hybridization, FluorescenceSeverity of Illness IndexBiopsy, NeedleBiological MarkersCraniofacial AbnormalitiesPedigreeTrisomyCardiovascular AbnormalitiesElectrocardiographyUltrasonographyFalse Positive ReactionsMusculoskeletal AbnormalitiesUrogenital AbnormalitiesSkin AbnormalitiesFalse Negative ReactionsBrain DiseasesImmunohistochemistryDisease ProgressionTranslocation, GeneticROC CurveHeart Defects, CongenitalAneuploidyEchocardiographyRadiography, ThoracicObserver VariationReference ValuesTooth AbnormalitiesUnited StatesTumor Markers, BiologicalChronic DiseaseEnzyme-Linked Immunosorbent AssayGenetic TestingClinical Laboratory TechniquesCross-Sectional StudiesSchizophreniaAge of OnsetRecurrenceImage Processing, Computer-AssistedPhysical ExaminationRisk AssessmentBreast NeoplasmsSex Chromosome AberrationsNeoplasmsAutopsyGestational AgeHeterozygoteCytogenetic AnalysisMass ScreeningMolecular Diagnostic TechniquesDNA Mutational AnalysisEvaluation Studies as TopicDiagnostic ImagingDisease Models, AnimalBiopsy, Fine-NeedleAmniocentesisMicroscopyComorbidity