ProgestinsEstrogens, Conjugated (USP)Medroxyprogesterone AcetateEstrogen Replacement TherapyProgesterone CongenersEstrogensPostmenopauseHormone Replacement TherapyReceptors, EstrogenEstrogen Receptor alphaEstrogen Receptor betaCoronary DiseaseEstradiolPromegestoneRisk FactorsReceptors, ProgesteroneNorethindroneMedroxyprogesteroneProgesteroneNorgestrelNorpregnadienesOvariectomyNorprogesteronesLevonorgestrelBreast NeoplasmsSelective Estrogen Receptor ModulatorsEstrogens, CatecholPregnenedionesDesogestrelEthinyl EstradiolNorpregnenesEstradiol CongenersEstrogens, Non-SteroidalHydroxyprogesteronesContraceptives, Oral, SyntheticUterusContraceptives, Oral, CombinedTamoxifenMifepristoneEndometriumEndometrial Hyperplasia20-alpha-DihydroprogesteroneContraceptives, Oral, HormonalNorethynodrelDiethylstilbestrolContraceptive Agents, FemaleMenopause5-alpha-DihydroprogesteroneEstroneContraceptives, OralMegestrolDydrogesteroneDrug ImplantsIntrauterine Devices, MedicatedAromataseEndometrial NeoplasmsLynestrenolAndrostenesChlormadinone AcetateEstradiol DehydrogenasesRNA, MessengerCyproterone AcetateClimactericAndrogensOvaryPregnancyMegestrol AcetateGonadal Steroid HormonesTestosterone20-Hydroxysteroid DehydrogenasesEstrusDihydrotestosteroneCastrationNeoplasms, Hormone-DependentHysterectomyMelengestrol AcetateUterine NeoplasmsSteroidsNandroloneReceptors, EstradiolUterine HemorrhageHormone AntagonistsEstrus Synchronization17-alpha-HydroxyprogesteroneMenstrual CycleMestranolDose-Response Relationship, DrugAntineoplastic Agents, HormonalCell Line, TumorPhytoestrogensImmunohistochemistry17-Hydroxysteroid DehydrogenasesTime FactorsFlurogestone Acetate