Prenatal DiagnosisFetal Growth RetardationFetal DiseasesPregnancyUltrasonography, PrenatalGrowth DisordersPrenatal Exposure Delayed EffectsChorionic Villi SamplingPrenatal CareAmniocentesisAbnormalities, MultipleAbortion, EugenicIntellectual DisabilityInfant, NewbornGestational AgeHeterozygote DetectionGenetic CounselingAmniotic FluidSyndromeFetal DeathAbortion, TherapeuticPregnancy Trimester, SecondFetusPregnancy OutcomeMental Retardation, X-LinkedCordocentesisChromosome DisordersTrisomyKaryotypingPedigreeAbortion, InducedMicrocephalyFragile X Mental Retardation ProteinCongenital AbnormalitiesPregnancy Trimester, FirstDown SyndromeThalassemiaGenetic TestingPregnancy Trimester, ThirdGrowthHeart Defects, CongenitalChromosome AberrationsHydrops FetalisPregnancy ComplicationsSex Chromosome AberrationsSex Chromosome DisordersPlacentaSensitivity and SpecificityMutationBirth WeightFaciesPhenotypePolyhydramniosHemoglobinopathiesRetrospective StudiesPolymerase Chain ReactionDwarfismFragile X SyndromeUltrasonography, Doppler, ColorOligohydramniosMosaicismMaternal-Fetal ExchangeEctromeliaConsanguinityFatal OutcomeChromosomes, Human, Pair 18Preimplantation DiagnosisGenetic Diseases, InbornHernia, UmbilicalEmbryonic and Fetal DevelopmentFetal WeightPregnant WomenAbnormalities, Drug-Inducedbeta-ThalassemiaSex Determination AnalysisGenes, RecessiveX ChromosomeFetal DevelopmentHeterozygoteFetal HeartChorionic VilliGenetic LinkageAneuploidyTwins, ConjoinedIn Situ Hybridization, FluorescenceBone Diseases, DevelopmentalMicrognathismDNABody HeightBase SequenceDelayed DiagnosisInfant, Small for Gestational AgeMaternal AgeMaternal ExposureDNA Mutational AnalysisInfant, Low Birth WeightHomozygotePrenatal InjuriesMolecular Sequence DataMusculoskeletal Abnormalities