Hydrops FetalisEndolymphatic HydropsFetal DiseasesParvovirus B19, HumanParvoviridae InfectionsBlood Transfusion, IntrauterineErythroblastosis, FetalRh Isoimmunizationalpha-ThalassemiaFetal DeathErythema InfectiosumFetusHemoglobins, AbnormalUltrasonography, PrenatalPregnancyHydrothoraxPrenatal DiagnosisPolyhydramniosCystic Adenomatoid Malformation of Lung, CongenitalEdemaalpha-GlobinsMeniere DiseaseAbortion, EugenicHemoglobin HInfant, NewbornMucopolysaccharidosis VIIGestational AgeThalassemiaPhosphotransferases (Phosphomutases)AmniocentesisFatal OutcomeHypoalbuminemiaEndolymphPregnancy Complications, InfectiousBronchopulmonary Sequestration