Blood TransfusionFetal BloodBlood Transfusion, AutologousErythrocyte TransfusionBlood Transfusion, IntrauterineCordocentesisPlatelet TransfusionExchange Transfusion, Whole BloodBlood Component TransfusionBlood Loss, SurgicalPregnancyFetusFetomaternal TransfusionErythroblastosis, FetalMaternal-Fetal ExchangeRh IsoimmunizationBlood BanksBlood DonorsFetofetal TransfusionFetal DiseasesBlood Grouping and CrossmatchingFetoscopyOperative Blood SalvageHemoglobinsPlacentaAnemiaGestational AgeAmniotic FluidHydrops FetalisPostoperative HemorrhageHeart Rate, FetalTranexamic AcidPrenatal DiagnosisBlood Specimen CollectionAntifibrinolytic AgentsFetal HypoxiaIntraoperative CareJehovah's WitnessesSheepBlood PreservationUmbilical ArteriesBlood Group IncompatibilityInfant, NewbornRetrospective StudiesTreatment OutcomeBlood SafetyAnemia, NeonatalLeukocyte TransfusionUltrasonography, PrenatalUmbilical CordPlacental CirculationHemodilutionFetal Growth RetardationPerioperative CareFetal DeathBlood SubstitutesPlateletpheresisPregnancy Trimester, Thirdbeta-ThalassemiaFetal WeightPregnancy, AnimalHematocritIsoantibodiesPostoperative ComplicationsCardiotocographyHemostaticsFetal HemoglobinErythropoietinErythrocyte CountPregnancy Trimester, SecondLeukocyte Reduction ProceduresAnemia, Sickle CellHemorrhageHemostasis, SurgicalBlood Gas AnalysisRisk FactorsFetal Stem CellsVitamin K Deficiency BleedingProspective StudiesPreoperative CareRed CrossTime FactorsHemoglobinopathiesLabor, ObstetricSurgical Procedures, ElectiveBlood-Borne PathogensCardiopulmonary BypassPostoperative CareBlood VolumeUltrasonography, DopplerHepatitis COxygenAmniocentesisFetal HeartHematinicsCesarean SectionErythema InfectiosumGastrointestinal HemorrhageAprotininArthroplasty, Replacement, Knee