TeriparatideOsteoporosisPostmenopauseOsteoporosis, PostmenopausalBone Density Conservation AgentsBone DensityAlendronateEstrogen Replacement TherapyFractures, BoneOsteoporotic FracturesMenopauseEstrogens, Conjugated (USP)EstrogensPremenopauseAbsorptiometry, PhotonDiphosphonatesWomen's HealthEtidronic AcidBone and BonesSpinal FracturesBreast NeoplasmsAromatase InhibitorsBone RemodelingFemur NeckEstradiolLumbar VertebraeHormone Replacement TherapyRisk FactorsRaloxifeneDouble-Blind MethodBone Diseases, MetabolicIsoflavonesTamoxifenEstroneSex Hormone-Binding GlobulinNitrilesExostosesMedroxyprogesterone AcetateTriazolesSelective Estrogen Receptor ModulatorsFractures, SpontaneousWomenBiological MarkersBone ResorptionClimactericAntineoplastic Agents, HormonalNafarelinGonadal Steroid HormonesProgestinsNorpregnenesHot FlashesMedroxyprogesteroneOsteocalcinCase-Control StudiesPerimenopauseBody Mass IndexTreatment OutcomePhytoestrogensSoybean ProteinsParathyroid HormoneOvariectomyCalcium, DietaryProspective StudiesCohort StudiesNorethindroneHip FracturesVitamin DCollagen Type IReceptors, EstrogenFollow-Up StudiesAnabolic AgentsAge FactorsCross-Sectional StudiesAdministration, CutaneousRadiusOsteogenesisPlacebosTime FactorsProgesterone CongenersDehydroepiandrosterone SulfateCross-Over StudiesAlkaline PhosphataseBack PainTestosteroneGlucocorticoidsDietIncidenceDietary SupplementsQuestionnairesSpineEndometrial NeoplasmsCalcaneusRisk AssessmentRiskUterine HemorrhageRetreatmentHipEstrogen Receptor ModulatorsObesityDrug Administration Schedule