DysmenorrheaEndometriumMenstruation DisturbancesMenstruationMenstrual CycleEndometriosisEmbryo ImplantationRegional Blood FlowEndometrial NeoplasmsEndometrial HyperplasiaBlood Flow VelocityUterusDeciduaFlow CytometryPregnancyProgesteroneUterine DiseasesPregnancy, AnimalLuteal PhasePregnancy ProteinsImmunohistochemistryStromal CellsEstrous CycleUterine HemorrhageEndometritisEstradiolMenorrhagiaLevonorgestrelMyometriumUterine NeoplasmsRNA, MessengerInfertility, FemaleMetrorrhagiaPseudopregnancyPulsatile FlowContraceptive Agents, FemaleReceptors, ProgesteroneGene FlowEstrusIntrauterine Devices, MedicatedOvarian DiseasesHysteroscopyPolypsCarcinoma, EndometrioidMacaca radiataFallopian TubesMedroxyprogesterone AcetateSheepMifepristoneOvariectomyFollicular PhasePeritoneal DiseasesDinoprostPlacentationProgestinsEpitheliumEstrogensGonanesPapioTrophoblastsReceptors, OxytocinReverse Transcriptase Polymerase Chain ReactionProgesterone CongenersHormone AntagonistsPlacentaLuteolytic AgentsGene ExpressionIn Situ HybridizationDilatation and CurettageChoristomaPapio anubisEpithelial Cells