VaricoceleUrologic Surgical Procedures, MaleSpermatic CordUrogenital Surgical ProceduresMicrosurgeryInfertility, MaleSemen AnalysisSperm CountSperm MotilityLaparoscopesScrotumInguinal CanalAzoospermiaSpermatozoaPregnancy RateSpermatogenesisLaparoscopyAbortion, SpontaneousPostoperative PeriodTestisVascular Surgical ProceduresDNA FragmentationTreatment OutcomePregnancyRetrospective Studies