Hydrops FetalisEndolymphatic HydropsFetal DiseasesParvovirus B19, HumanParvoviridae InfectionsBlood Transfusion, IntrauterineErythroblastosis, FetalRh Isoimmunizationalpha-ThalassemiaErythema InfectiosumFetal DeathHemoglobins, AbnormalHydrothoraxPolyhydramniosCystic Adenomatoid Malformation of Lung, CongenitalUltrasonography, PrenatalPrenatal DiagnosisPregnancyEdemaalpha-GlobinsMeniere DiseaseHemoglobin HAbortion, EugenicInfant, NewbornMucopolysaccharidosis VIIThalassemiaPhosphotransferases (Phosphomutases)Gestational AgeFatal OutcomeAmniocentesisHypoalbuminemiaEndolymphPregnancy Complications, InfectiousBronchopulmonary Sequestration