TestosteroneSex Hormone-Binding GlobulinHypogonadismEstradiolGonadal Steroid HormonesDehydroepiandrosterone SulfateAndrogensHirsutismLuteinizing HormoneTestisFollicle Stimulating HormoneHyperandrogenismLibidoPolycystic Ovary SyndromeAndrostenedione17-alpha-HydroxyprogesteroneDihydrotestosteroneOrchiectomyDehydroepiandrosteroneTestosterone PropionateHormone Replacement TherapyHormonesRadioimmunoassayErectile DysfunctionReceptors, AndrogenEstroneGonadal HormonesOrgan SizePostmenopauseAgingSex CharacteristicsSpermatogenesisLeydig CellsNigella sativaGonadotropin-Releasing HormoneSpermatic CordInhibinsCastrationVirilismBody Mass IndexAdministration, CutaneousProlactinPremenopauseSexual MaturationEstrogensSperm CountCross-Sectional StudiesHydrocortisoneSexual Behavior, AnimalProstatic NeoplasmsFlutamideBody WeightGenitalia, MaleBody CompositionDialysisAge FactorsLeuprolide3-Oxo-5-alpha-Steroid 4-DehydrogenaseProstateComb and WattlesChorionic GonadotropinAndrogen AntagonistsAndropauseTestosterone CongenersEpitestosteroneObesityCase-Control StudiesTime FactorsCohort StudiesProspective StudiesPaternal Behavior17-Hydroxysteroid DehydrogenasesGonadotropinsReproductionCryptorchidismAgonistic BehaviorSeminiferous TubulesBone DensityRisk FactorsAromataseInsulin ResistanceSertoli CellsReference ValuesDibutyl PhthalateTerritorialitySteroidsPregnancyEpididymisAscarididaWestern AustraliaSeminal VesiclesInsulin-Like Growth Factor IPuberty3-Hydroxysteroid DehydrogenasesInfertility, MaleDrug ImplantsKlinefelter SyndromeSteroid 17-alpha-HydroxylaseProgesterone