SheepFetusOvaryalpha-FetoproteinsOvarian FollicleFetal ProteinsSheep, DomesticFetal HypoxiaPregnancyGestational AgeSheep DiseasesImmunohistochemistryHeart Rate, FetalAsphyxiaFetal Organ MaturityPregnancy, AnimalFetal HeartFetal MovementBlood Gas AnalysisFetal DiseasesBetamethasoneEmbryonic and Fetal DevelopmentFetal WeightFetal BloodPolycystic Ovary SyndromePlacentaHydrocortisoneUmbilical CordPlacental InsufficiencyAmniotic FluidMaternal-Fetal ExchangeChorioamnionitisFetal Growth RetardationFetal DevelopmentRNA, MessengerImmunoenzyme TechniquesUltrasonography, PrenatalOrgan SizeAdrenocorticotropic HormoneLungAnimals, NewbornUterusPlacental CirculationBody FluidsPregnancy Trimester, SecondCricetinaeTumor Markers, BiologicalGasesAdrenal GlandsPregnancy Trimester, FirstBlood PressureTime FactorsInfant, NewbornPrenatal Exposure Delayed EffectsBrainCHO CellsFetal Nutrition DisordersArginine VasopressinOxygenDisease Models, AnimalLiverTwinsDuctus ArteriosusAnoxiaPulmonary Surfactant-Associated ProteinsPregnancy Trimester, ThirdFetoscopyUmbilical ArteriesLitter SizeKidneyHypotensionSheep, BighornAndrostatrienesBody WeightKi-67 AntigenPregnancy OutcomeModels, AnimalGoatsLactationBirth WeightHistocytochemistrySwinePulmonary SurfactantsVascular ResistanceGene Expression Regulation, DevelopmentalCattleAmnionPregnancy ComplicationsReverse Transcriptase Polymerase Chain ReactionCardiovascular SystemRegional Blood FlowFetal DeathInfant, PrematureBlotting, WesternLactic AcidOvulationCricetulusBrachiocephalic VeinsTissue DistributionCerebrovascular Circulation