Brachial ArteryPostmenopauseOsteoporosis, PostmenopausalEstrogen Replacement TherapyArteriesMenopauseVasodilationEstrogens, Conjugated (USP)Bone DensityEstrogensPremenopauseWomen's HealthForearmRegional Blood FlowBreast NeoplasmsAromatase InhibitorsRisk FactorsEndothelium, VascularEstradiolNitroglycerinHormone Replacement TherapyCarotid ArteriesDouble-Blind MethodHyperemiaEstroneBone Density Conservation AgentsSex Hormone-Binding GlobulinNitrilesTamoxifenIsoflavonesMedroxyprogesterone AcetateFemoral ArteryTriazolesRadial ArteryCase-Control StudiesAllelic ImbalanceCross-Over StudiesRaloxifeneWomenBlood Flow VelocityAntineoplastic Agents, HormonalBlood PressureProspective StudiesProgestinsGonadal Steroid HormonesClimactericBody Mass IndexMedroxyprogesteroneHot FlashesVasodilator AgentsAbsorptiometry, PhotonFractures, BoneNorpregnenesTreatment OutcomeTime FactorsFollow-Up StudiesCohort StudiesOsteoporosisPerimenopauseBiological MarkersSelective Estrogen Receptor ModulatorsCerebral ArteriesRenal ArterySoybean ProteinsAlendronateUltrasonography, DopplerPhytoestrogensMesenteric ArteriesCarotid Artery, CommonNorethindroneCross-Sectional StudiesAxillary ArteryBasilar ArteryAge FactorsExerciseReceptors, EstrogenUltrasonography, Doppler, PulsedUlnar ArteryFemur NeckReference ValuesAdministration, CutaneousPlacebosCardiovascular DiseasesProgesterone CongenersRisk AssessmentSubclavian ArteryDehydroepiandrosterone SulfateComplianceLipidsAnalysis of VarianceEndometrial NeoplasmsUterine HemorrhagePlethysmographyBone and BonesObesityCarotid Artery DiseasesIncidenceIliac ArteryOvariectomyTestosterone