Corpus LuteumLuteolysisCorpus Luteum MaintenanceProgesteroneCorpus Luteum HormonesLuteal CellsLuteal PhaseCorpus CallosumDinoprostPseudopregnancyEstrusEstrous CycleAgenesis of Corpus CallosumOvaryPregnancyPregnancy, AnimalChorionic GonadotropinCattleOvarian FollicleLuteinizing HormoneOvulationMenstrual CycleLuteolytic AgentsOxytocinEstradiol3-Hydroxysteroid DehydrogenasesGranulosa CellsMacropodidaeRelaxinSheepDiestrusTheca CellsCholesterol Side-Chain Cleavage EnzymeReceptors, LHProstaglandins FMarsupialiaCloprostenolLuteinizationUterusRNA, MessengerProlactinEmbryo Implantation, DelayedCorpora Allata20-alpha-DihydroprogesteroneReceptors, ProstaglandinImmunohistochemistryEstrus SynchronizationFollicular PhaseMenstruationPostpartum PeriodCallithrixFollicle Stimulating HormonePregnancy MaintenanceAnimals, Inbred StrainsPenisGonadotropin-Releasing HormoneMacaca radiataReceptors, OxytocinEmbryo ImplantationAromataseSteroidsGonanesPinnipediaPregnancy, EctopicProgesterone CongenersGonadotropins, EquineHysterectomyFollicular CystGonadotropinsHypophysectomyPregnenedionesInsemination, ArtificialHydroxyprogesteronesReceptors, Prolactin20-Hydroxysteroid DehydrogenasesRadioimmunoassay20-alpha-Hydroxysteroid DehydrogenaseSuperovulationOvulation InductionFollicular FluidHorsesEndometriumProstaglandins F, SyntheticHormone AntagonistsTime FactorsBromocriptineNeurophysinsReverse Transcriptase Polymerase Chain ReactionProestrusInhibinsPlacentaBuffaloesMacaca mulattaPregnancy Proteins5-alpha-DihydroprogesteroneMetestrusGene ExpressionProgestinsBlotting, NorthernLabor, Obstetric