Hydrops FetalisEndolymphatic HydropsFetal DiseasesEdemaParvovirus B19, HumanParvoviridae InfectionsBlood Transfusion, IntrauterineErythroblastosis, Fetalalpha-ThalassemiaFetusRh IsoimmunizationFetal DeathHemoglobins, AbnormalErythema InfectiosumPregnancyUltrasonography, PrenatalPrenatal DiagnosisHydrothoraxCystic Adenomatoid Malformation of Lung, CongenitalPolyhydramniosalpha-GlobinsHemoglobin HAbortion, EugenicInfant, NewbornMucopolysaccharidosis VIIGestational AgePhosphotransferases (Phosphomutases)ThalassemiaAmniocentesisHypoalbuminemiaPulmonary EdemaBrain EdemaFatal OutcomeMeniere DiseasePregnancy Complications, Infectious