TestosteroneEstrogensReceptors, EstrogenEstrogen Receptor alphaEstrogen Receptor betaEstradiolEstrogens, Conjugated (USP)Testosterone PropionateAndrogensHypogonadismDihydrotestosteroneOrchiectomyTestisLuteinizing HormoneSex Hormone-Binding GlobulinGonadal Steroid HormonesOvariectomyCastrationEstrogens, CatecholAromataseAndrostenedioneEpitestosteroneSelective Estrogen Receptor ModulatorsFollicle Stimulating HormoneEstrogens, Non-SteroidalEstroneProgesteroneBreast NeoplasmsDiethylstilbestrolReceptors, AndrogenHormone Replacement TherapyFlutamideDrug ImplantsSex CharacteristicsTamoxifenOrgan SizeEstradiol CongenersDehydroepiandrosteroneSexual MaturationGonadotropin-Releasing HormoneTestosterone CongenersReceptors, Progesterone3-Oxo-5-alpha-Steroid 4-DehydrogenaseUterusDehydroepiandrosterone Sulfate17-Hydroxysteroid DehydrogenasesSexual Behavior, AnimalRadioimmunoassaySpermatogenesisSteroidsPostmenopauseProstateHormonesAndrogen AntagonistsAndrostanesGenitalia, MaleChorionic GonadotropinAromatase InhibitorsAndrostane-3,17-diolRats, Sprague-DawleyRNA, MessengerProlactinVirilismEthinyl EstradiolPituitary GlandHirsutismOvarySperm CountLibidoAdministration, CutaneousSeminal VesiclesGonadotropins, PituitaryCyproteroneAndrosteroneHydroxytestosteronesDose-Response Relationship, DrugAgingProgestinsGonadotropinsCholestenone 5 alpha-ReductaseCyproterone Acetate17-alpha-HydroxyprogesteroneSteroid 17-alpha-HydroxylaseNeoplasms, Hormone-Dependent5-alpha Reductase Inhibitors17-KetosteroidsPregnancyPhytoestrogensSertoli CellsSeminiferous Tubules3-Hydroxysteroid DehydrogenasesLeuprolideContraceptive Agents, MaleMenopauseTime FactorsNandroloneReproductionBody WeightEndocrine DisruptorsInhibins