Osteoporosis, PostmenopausalIsoflavonesMenopauseClimactericHot FlashesPhytoestrogensEstrogen Replacement TherapySoybeansMenopause, PrematurePerimenopausePostmenopauseSoybean ProteinsSoy FoodsEquolGenisteinWomen's HealthEstrogensHormone Replacement TherapyBone DensityPlant ExtractsSoy MilkPremenopauseEstradiolEstrogens, Non-SteroidalPuerariaTrifoliumAdministration, CutaneousEstrogens, Conjugated (USP)WomenProgestinsPlant PreparationsOvariectomyDietary SupplementsDouble-Blind MethodRisk FactorsCross-Sectional StudiesAge FactorsDietPost and Core TechniqueBiological MarkersCoumestrolTime FactorsBreast NeoplasmsLignansPregnant WomenBattered WomenBiological Availability