CryptorchidismHypospadiasOrchiopexyIncidenceTestisTesticular HydroceleGenitalia, MaleUrogenital Surgical ProceduresHeptachlor EpoxideTesticular DiseasesLeydig CellsInfant, NewbornChlordanSeminiferous TubulesTesticular NeoplasmsDenmarkInfertility, MaleUrogenital AbnormalitiesOrganotin CompoundsSperm CountScrotumTestosteroneSpermatogenesisEndocrine DisruptorsSertoli CellsGonadal DysgenesisPrenatal Exposure Delayed EffectsPregnancyRisk FactorsTrialkyltin CompoundsMaternal ExposureUrologic Surgical Procedures, Male