Endometrial HyperplasiaEndometriumEndometrial NeoplasmsHyperplasiaBiopsyEndometritisUterine HemorrhagePolypsHysteroscopyUterine DiseasesProgestinsLevonorgestrelCurettageContraceptive Agents, FemaleLynestrenolUterine NeoplasmsCarcinoma, EndometrioidHysterectomyIntrauterine Devices, MedicatedPrecancerous ConditionsBiopsy, NeedleUterusDiagnostic Techniques, Obstetrical and GynecologicalDilatation and CurettageMenstrual CycleImmunohistochemistryLeiomyomaInfertility, FemaleProstatic HyperplasiaAnimals, ZooPuerperal InfectionPostmenopauseAdenocarcinomaLuteal PhaseMenorrhagiaEmbryo ImplantationCarcinoma in SituReceptors, ProgesteroneEstradiolNorpregnadienesMetrorrhagiaEndometriosisTuberculosis, Female GenitalVaginaRats, Mutant StrainsMefenamic AcidSensitivity and SpecificityWorld Health OrganizationAdrenal Hyperplasia, Congenital