Hydrops Fetalisalpha-FetoproteinsCarcinoma, HepatocellularEndolymphatic HydropsLiver NeoplasmsPrenatal DiagnosisFetal DiseasesFetal ProteinsParvovirus B19, HumanParvoviridae InfectionsPregnancyBlood Transfusion, IntrauterineErythroblastosis, Fetalalpha-ThalassemiaRh IsoimmunizationHemoglobins, AbnormalErythema InfectiosumFetal DeathEstriolHydrothoraxCystic Adenomatoid Malformation of Lung, CongenitalPolyhydramniosUltrasonography, Prenatalalpha-GlobinsHemoglobin HEdemaAbortion, EugenicInfant, NewbornLiver CirrhosisMucopolysaccharidosis VIIThalassemiaPhosphotransferases (Phosphomutases)Gestational AgeTumor Markers, BiologicalHypoalbuminemiaAmniocentesisAlpha-GlobulinsMeniere DiseaseFatal OutcomeLiverPrognosisPregnancy Complications, Infectiousp-DimethylaminoazobenzeneSensitivity and Specificity