InfertilityInfertility, MaleInfertility, FemaleReproductive Techniques, AssistedFertilityPregnancyFallopian Tube DiseasesSpermatozoaAzoospermiaFertilization in VitroSperm CountSpermatogenesisSperm MotilityOligospermiaEndometriosisHysterosalpingographySemenVaricoceleSemen AnalysisPregnancy RateReproductive TechniquesGenitalia, FemaleTestisClomipheneAnovulationAsthenozoospermiaSperm Injections, IntracytoplasmicOvulation InductionReproductive MedicineChromosomes, Human, YSex CharacteristicsOvaryReproductionFertility Agents, FemaleSex FactorsInsemination, ArtificialSexual Behavior, AnimalPregnancy OutcomeEmbryo TransferRisk FactorsFertilizationSex Chromosome AberrationsFallopian TubesTime FactorsRetrospective StudiesY ChromosomeEmbryo ImplantationInsemination, Artificial, HomologousOvulationUterine DiseasesUterusQuestionnairesSeminal Plasma ProteinsAge FactorsFollicle Stimulating HormonePelvic Inflammatory DiseaseOrchitisPrimary Ovarian InsufficiencySex Chromosome Disorders of Sex DevelopmentProspective StudiesChlamydia InfectionsPolycystic Ovary SyndromeCase-Control StudiesOocytesEndometriumUnited StatesFallopian Tube Patency TestsAbnormal KaryotypeTreatment OutcomePrevalenceBirth RateTesticular DiseasesAbortion, SpontaneousOvarian DiseasesAndrologyEstradiolChlamydia trachomatisFertility AgentsTuberculosis, Female GenitalGenital Diseases, FemaleEpididymisTestosteroneCohort StudiesPregnancy, MultipleAbortion, HabitualInseminationGonadotropinsContraception, ImmunologicMenstruation DisturbancesCopulationEjaculationCross-Sectional StudiesReproductive BehaviorCondoms, FemaleSperm BanksLuteinizing HormoneCryopreservationHysteroscopyTissue AdhesionsVagina