Heart Defects, CongenitalHeartAbnormalities, MultipleFetal HeartInfant, NewbornHeart Septal Defects, VentricularHeart Septal DefectsCyanosisHeart Septal Defects, AtrialEndocardial Cushion DefectsDown SyndromeUltrasonography, PrenatalPregnancyTetralogy of FallotGrowth Differentiation Factor 1Noonan SyndromeCardiac Surgical ProceduresHeart RateCardiovascular AbnormalitiesHeart ValvesTransposition of Great VesselsChromosomes, Human, Pair 22Neonatal ScreeningHypoplastic Left Heart SyndromeEchocardiographyFaciesTruncus Arteriosus, PersistentOximetryFetal DiseasesHeart DiseasesGestational AgeSyndromeArkansasTricuspid AtresiaMusculoskeletal AbnormalitiesDiGeorge SyndromeNuchal Translucency MeasurementPrenatal DiagnosisEchocardiography, Four-DimensionalRetrospective StudiesSitus InversusPulmonary Valve StenosisChromosome DeletionDuctus Arteriosus, PatentHeart BlockPulmonary ArteryWolf-Hirschhorn SyndromeHeart FailureTrisomyKaryotypingCase-Control StudiesAortic CoarctationArcus SenilisPhenotypeFolic AcidIntellectual DisabilityProspective StudiesRisk FactorsCardiopulmonary BypassEndocardial CushionsPregnancy Trimester, FirstMutationCardiac CatheterizationMyocardiumGene Expression Regulation, DevelopmentalGATA4 Transcription FactorEndocardiumGATA6 Transcription FactorHeart TransplantationHypertension, PulmonaryPulmonary CirculationBalloon ValvuloplastyFollow-Up StudiesEchocardiography, Three-DimensionalChromosome DisordersPregnancy OutcomeTreatment OutcomePregnancy ComplicationsCongenital AbnormalitiesTime FactorsPregnancy Trimester, SecondMyocytes, CardiacChromosomes, Human, Pair 21GeorgiaFatal OutcomeMorphogenesisCohort StudiesHeart VentriclesFaceDiseases in TwinsPostoperative ComplicationsT-Box Domain ProteinsDevelopmental DisabilitiesHeterotaxy SyndromeS-AdenosylhomocysteineHemodynamicsPedigreeVestibular DiseasesEchocardiography, Doppler, ColorHomeodomain Proteins