Amniocentesisalpha-FetoproteinsCarcinoma, HepatocellularLiver NeoplasmsPrenatal DiagnosisFetal ProteinsAmniotic FluidEstriolChorionic Villi SamplingPregnancyPregnancy Trimester, SecondLiver CirrhosisTumor Markers, BiologicalFetal DiseasesDown SyndromeChromosome DisordersSensitivity and SpecificityAlpha-GlobulinsLiverCordocentesisUltrasonography, PrenatalGestational AgeMaternal AgePrognosisp-DimethylaminoazobenzeneRetrospective StudiesRh IsoimmunizationPregnancy, High-RiskTest Anxiety ScaleChorioamnionitisGenetic CounselingKaryotypingAbortion, EugenicTrisomyCustodial CareLymphangioma, CysticChromosome AberrationsCongenital AbnormalitiesAlbuminsSex Chromosome AberrationsInfant, NewbornImmunodiffusionFetal DeathAbortion, SpontaneousBiological DressingsFetal Membranes, Premature RupturePregnancy Trimester, FirstPregnancy, TwinAbortion, InducedObstetric Labor, Prematurealpha 1-AntitrypsinPregnant WomenPregnancy OutcomeIatrogenic DiseaseAneuploidyAmnionErythroblastosis, FetalLiver Neoplasms, ExperimentalNeural Tube DefectsAbortion, TherapeuticRadioimmunoassayFetal Organ MaturityFoot Deformities, CongenitalTwinsReceptors, Adrenergic, alphaHepatectomyBlood Transfusion, IntrauterineFreedomTranscription FactorsPregnancy, MultipleBase SequenceSex Determination AnalysisSerum AlbuminHypoxia-Inducible Factor 1, alpha SubunitReceptors, Cytoplasmic and NuclearFetusKaryotypeDNA-Binding ProteinsMosaicismFetofetal Transfusion