Background: The treatment of inflammatory bowel diseases (IBD) is based mainly on 3 compounds: 1- 5 aminosalysilates . 2- immunomodulators (Azathioprines). 3- Biologic therapies (Infliximab, Adalimumab) . There are no established data in the literature whether these therapies effects sperm quality. Given that a large number of the patients are young men in the reproductive stage of their lives , It of importance to investigate these effect.||Aim: To investigate the effect of chronic treatment of any of the three therapy mentioned above, on sperm quality .