OsteoporosisPostmenopauseOsteoporosis, PostmenopausalBone DensityEstrogen Replacement TherapyBone Density Conservation AgentsMenopauseFractures, BoneEstrogensEstrogens, Conjugated (USP)Osteoporotic FracturesAbsorptiometry, PhotonAlendronatePremenopauseBreast NeoplasmsDiphosphonatesBone and BonesAromatase InhibitorsHormone Replacement TherapyWomen's HealthBone Diseases, MetabolicRisk FactorsRaloxifeneEstradiolFractures, SpontaneousEtidronic AcidFemur NeckTeriparatideSpinal FracturesSelective Estrogen Receptor ModulatorsTamoxifenBone ResorptionBone RemodelingEstroneNitrilesSex Hormone-Binding GlobulinIsoflavonesMedroxyprogesterone AcetateTriazolesLumbar VertebraeDouble-Blind MethodAntineoplastic Agents, HormonalClimactericGonadal Steroid HormonesProgestinsOvariectomyNorpregnenesCalcium, DietaryMedroxyprogesteroneHot FlashesCase-Control StudiesHip FracturesPerimenopauseVitamin DBody Mass IndexPhytoestrogensSoybean ProteinsWomenCohort StudiesReceptors, EstrogenOsteocalcinRadiusNorethindroneProspective StudiesBiological MarkersCalcaneusAge FactorsSpineCross-Sectional StudiesUterine HemorrhageAdministration, CutaneousPlacebosHipProgesterone CongenersTestosteroneEndometrial NeoplasmsFollow-Up StudiesFemurDietary SupplementsParathyroid HormoneDehydroepiandrosterone SulfateRisk AssessmentDietIncidenceCross-Over StudiesRiskQuestionnairesTreatment OutcomeCollagen Type IEstrogen Receptor ModulatorsEstrogen AntagonistsAdministration, OralTime FactorsEndometrial HyperplasiaObesityHysterectomyAndrostenedioneDehydroepiandrosteroneSoy FoodsUnited States