CryptorchidismHypospadiasOrchiopexyTestisTesticular HydroceleGenitalia, MaleUrogenital Surgical ProceduresHeptachlor EpoxideChild WelfareTesticular DiseasesLeydig CellsDisabled ChildrenChild BehaviorInfant, NewbornChlordanSeminiferous TubulesInfertility, MaleUrogenital AbnormalitiesTesticular NeoplasmsOrganotin CompoundsSperm CountDenmarkScrotumSpermatogenesisTestosteronePrenatal Exposure Delayed EffectsEndocrine DisruptorsSertoli CellsPregnancyGonadal DysgenesisMaternal ExposureTrialkyltin CompoundsUrologic Surgical Procedures, Male