Endometrial HyperplasiaHyperplasiaEndometrial NeoplasmsEndometriumCarcinoma, EndometrioidProgestinsHysterectomyUterine NeoplasmsProstatic HyperplasiaPolypsUterine DiseasesUterine HemorrhageLevonorgestrelIntrauterine Devices, MedicatedEndometritisCurettageDilatation and CurettagePrecancerous ConditionsAdenocarcinomaContraceptive Agents, FemaleAdrenal Hyperplasia, CongenitalLynestrenolImmunohistochemistryUterusAnimals, ZooCarcinoma in SituEstrogensHysteroscopyGingival HyperplasiaReceptors, ProgesteroneThymus HyperplasiaCarcinomaFocal Nodular HyperplasiaPostmenopausePTEN PhosphohydrolaseTumor Markers, BiologicalPrognosisNeoplasm StagingBiopsyRats, Mutant StrainsImmunoenzyme TechniquesReceptors, EstrogenEstradiolLeiomyomaWorld Health OrganizationProspective StudiesRetrospective StudiesTunica IntimaFollow-Up Studies