ThrombocytopeniaAnemiaRh IsoimmunizationErythroblastosis, FetalBlood Transfusion, IntrauterineFetal DiseasesCordocentesisAnemia, NeonatalFetomaternal TransfusionMiddle Cerebral ArteryHydrops FetalisKell Blood-Group SystemUltrasonography, PrenatalPlatelet CountUltrasonography, DopplerHemoglobinsAnemia, AplasticPregnancyAnemia, HemolyticPurpura, Thrombocytopenic, IdiopathicPlacenta DiseasesThrombocytopenia, Neonatal AlloimmuneFetal BloodAmniocentesisParvovirus B19, HumanUltrasonography, Doppler, PulsedAnemia, Hemolytic, AutoimmunePregnancy Complications, NeoplasticFanconi AnemiaGestational AgeBlood Group IncompatibilityBlood Flow VelocityPlatelet TransfusionAnemia, HypochromicPregnancy Complications, ParasiticBlood PlateletsAnemia, MacrocyticAnemia, PerniciousAntigens, Human PlateletInfant, NewbornPurpura, ThrombocytopenicMegakaryocytesMalawiPregnancy Complications, HematologicThrombopoietinAnemia, Sickle CellPlatelet Factor 4Anemia, SideroblasticInfectious Anemia Virus, EquineSystoleAnemia, MegaloblasticReceptors, ThrombopoietinSplenectomyHeparinAnemia, RefractoryLeukopeniaEquine Infectious AnemiaTreatment OutcomePhlebovirusSensitivity and SpecificityDisseminated Intravascular CoagulationThrombopoiesisAnemia, Hemolytic, CongenitalNeutropeniaErythropoietinHemorrhageDrug Administration SchedulePipecolic AcidsAntineoplastic Combined Chemotherapy ProtocolsBunyaviridae InfectionsBlood Cell CountImmunoglobulins, IntravenousSplenomegalyPurpura, Thrombotic ThrombocytopenicChicken anemia virusAnemia, Dyserythropoietic, CongenitalPredictive Value of TestsBone MarrowAnemia, Diamond-BlackfanHematologic DiseasesInfusions, IntravenousAnticoagulantsWiskott-Aldrich SyndromeFanconi Anemia Complementation Group ProteinsAutoantibodiesPancytopeniaHematocritThrombocytosisIronBlood TransfusionBlood Platelet DisordersDeoxycytidineHemorrhagic DisordersCoombs TestHemolytic-Uremic SyndromeErythrocyte CountIsoantibodiesRetrospective StudiesHypersplenismErythropoiesis