FetusStromal CellsFetal BloodGestational AgePregnancyRNA, MessengerCordocentesisMaternal-Fetal ExchangeFetal Tissue TransplantationPlacentaComplicityAborted FetusFetal DiseasesMesenchymal Stromal CellsBlood Transfusion, IntrauterineAmniotic FluidFetomaternal TransfusionDirected Tissue DonationHydrops FetalisBone Marrow CellsPregnancy, AnimalRh IsoimmunizationErythroblastosis, FetalPrenatal DiagnosisLifeEndometriumSheepFetoscopyHeart Rate, FetalPersonhoodAbortion, VeterinaryBeginning of Human LifeFetal WeightFetal HypoxiaFetal DeathUterusCells, CulturedUmbilical CordCell DifferentiationFetal Growth RetardationCoculture TechniquesUmbilical ArteriesBlood Specimen CollectionHematopoietic Stem CellsChorionic VilliCorneal StromaEmbryonic and Fetal DevelopmentPregnancy Trimester, SecondFetal ResearchImmunohistochemistryTrophoblastsPlacental CirculationPregnancy Trimester, FirstFetal DevelopmentPregnancy Trimester, ThirdCardiotocographyUltrasonography, PrenatalCivil RightsDeciduaFetal Stem CellsChemokine CXCL12LiverVitamin K Deficiency BleedingThymus GlandMice, Inbred C57BLBone MarrowPregnant WomenInfant, NewbornBlood Gas AnalysisAbortion, InducedExtraembryonic MembranesLabor, ObstetricOsteogenesisBrain Tissue TransplantationTherapeutic Human ExperimentationSarcoma, Endometrial StromalTissue DistributionFibroblastsReverse Transcriptase Polymerase Chain ReactionHematopoiesisCell ProliferationFetal HemoglobinHemoglobinopathiesNontherapeutic Human ExperimentationErythema InfectiosumCell CommunicationMesenchymal Stem Cell TransplantationFetal ResorptionUltrasonography, DopplerCulture Media, ConditionedMultipotent Stem CellsGene ExpressionEndometriosisFetal HeartSocial Control, FormalUmbilical VeinsAmniocentesisCell LineMolecular Sequence DataGene Expression Regulation