EstrogensAdministration, CutaneousEstrogen Replacement TherapyEstrogens, Conjugated (USP)TranssexualismProgestinsPostmenopauseAdministration, OralEstradiolReceptors, EstrogenEstrogen Receptor alphaEstrogen Receptor betaEstrogens, CatecholOvariectomySelective Estrogen Receptor ModulatorsEstrogens, Non-SteroidalBreast NeoplasmsTamoxifenEstradiol CongenersAromataseReceptors, ProgesteroneDiethylstilbestrolUterusEstroneProgesteroneEthinyl EstradiolPhytoestrogensNeoplasms, Hormone-DependentRNA, MessengerHydroxyestronesAromatase InhibitorsMenopauseVitellogeninsCell Line, TumorAntineoplastic Agents, HormonalNafoxidineCastrationGonadal Steroid HormonesTestosteroneImmunohistochemistryMedroxyprogesterone AcetatePhenolsBenzhydryl CompoundsIsoflavonesSignal TransductionRats, Sprague-DawleyResponse ElementsReceptors, EstradiolGene Expression RegulationTranscription, GeneticSex CharacteristicsEndocrine DisruptorsAndrogensGene Expression Regulation, NeoplasticEndometriumReverse Transcriptase Polymerase Chain ReactionReceptors, AndrogenDose-Response Relationship, DrugTumor Cells, CulturedOvaryBreastEstrous CycleHormone Replacement TherapyOviductsPremenopauseEquileninDrug ImplantsPregnancyCell ProliferationDihydrotestosteronePromoter Regions, GeneticHexestrolEndometrial NeoplasmsMenstrual CycleMedroxyprogesteroneTranscriptional ActivationCells, CulturedMammary Neoplasms, ExperimentalReceptor, erbB-2Blotting, WesternPlant PreparationsCell DivisionEstradiol DehydrogenasesMCF-7 CellsTime Factors