SemenInfertility, MaleSemen AnalysisSperm CountSperm MotilityInfertilityAsthenozoospermiaSpermatozoaInfertility, FemaleVaricoceleSemen PreservationFertilityOligospermiaEjaculationSexual AbstinenceSperm BanksMasturbationAzoospermiaChromomycin A3Pregnancy RatePregnancySpermatogenesisChromosomes, Human, YFertilization in VitroSpermatoceleTestisInsemination, Artificial, HomologousCryopreservationGenital Diseases, MaleDNA FragmentationReproductive Techniques, AssistedAneuploidyChromosomes, Human, Pair 18Sperm Injections, IntracytoplasmicGenitalia, MaleAcrosomeInsemination, ArtificialTestosteroneChromosomes, Human, XChromosomes, Human, Pair 13Fallopian Tube DiseasesFollicle Stimulating HormoneIn Situ Hybridization, FluorescenceReference ValuesReproductive TechniquesTissue DonorsEndometriosisTime FactorsRetrospective StudiesHysterosalpingographyCase-Control StudiesKaryotypingAndrologyClomipheneProspective StudiesOvulation InductionAnovulationReproductive MedicineInsemination, Artificial, HeterologousCross-Sectional StudiesFertilizationVasectomyFertility Agents, FemalePregnancy OutcomeEmbryo TransferSeminal Plasma ProteinsSperm-Ovum InteractionsEpididymisSex Chromosome AberrationsSperm RetrievalTesticular DiseasesY ChromosomeCervix MucusFallopian TubesOrchitisOvarySperm HeadInseminationSex Chromosome Disorders of Sex DevelopmentEmbryo ImplantationReproductionUterine DiseasesScrotumModels, BiologicalOvulationUterusPelvic Inflammatory DiseasePolycystic Ovary Syndrome