Prenatal DiagnosisSyndromeFetal DiseasesPregnancyUltrasonography, PrenatalChorionic Villi SamplingPrenatal Exposure Delayed EffectsAmniocentesisPrenatal CareAbortion, EugenicHeterozygote DetectionDown SyndromeGenetic CounselingAbnormalities, MultipleInfant, NewbornAbortion, TherapeuticAmniotic FluidGestational AgePregnancy Trimester, SecondAbortion, InducedFetusChromosome DisordersPregnancy OutcomeTrisomyGenetic TestingThalassemiaKaryotypingPedigreeCordocentesisPregnancy Trimester, FirstHydrops FetalisMetabolic Syndrome XFetal DeathSensitivity and SpecificityHeart Defects, CongenitalSex Chromosome DisordersCongenital AbnormalitiesPolyhydramniosRetrospective StudiesHemoglobinopathiesPregnancy Trimester, ThirdEctromeliaPolymerase Chain ReactionPreimplantation DiagnosisSex Chromosome AberrationsFatal OutcomeHernia, UmbilicalUltrasonography, Doppler, ColorTurner SyndromeGenetic Diseases, InbornChromosome AberrationsPregnant Womenbeta-ThalassemiaSex Determination AnalysisFetal HeartChorionic VilliAneuploidyTwins, ConjoinedNephrotic SyndromeFetoscopyDelayed DiagnosisChromosomes, Human, Pair 18Sjogren's SyndromeMutationMosaicismMusculoskeletal AbnormalitiesGenetic LinkageDandy-Walker SyndromePrenatal InjuriesEarly DiagnosisHydrocolposDNA Mutational AnalysisMagnetic Resonance ImagingRisk FactorsMaternal AgeProspective StudiesAnus, ImperforateGenetic MarkersKlinefelter SyndromeChromosomes, Human, Pair 13GastroschisisPulmonary AtresiaLevocardiaAdrenal Hyperplasia, CongenitalHypoplastic Left Heart SyndromeDNADiGeorge SyndromeHeterozygoteGenetic ServicesFetomaternal TransfusionAgenesis of Corpus CallosumMicrognathismHernia, DiaphragmaticEchocardiography, Four-DimensionalMuscular DystrophiesPrader-Willi SyndromeOligohydramniosPregnancy, High-RiskGenes, RecessiveConsanguinity