RESUMEN
The aim of this study is to determine the major causes of infertility in Sudanese males based on the clinical and laboratory findings. The sample of 194 Sudanese males attending Gezira Hospital for Renal Diseases and Surgery, aged between 21-85 years were collected and analyzed. The method of masturbation after 3-5 days prior abstinence from sex before sample collection was applied. The samples were examined for semen volume, and microscopically as wet preparation for sperm motility, morphology and count. Of these men, 532% were primary infertile, while 46.8% were secondary infertile. The semen volume results showed that 89.7% were normal. In: the sperm morphology, 65.9% showed abnormal morphology. Azoospermia was present In 72 patients [37.1%], 13.4% had oligazospermia. This study reveals the main contribution of spernts abnormal morphology to infertility and it is important to abstain from sexual intercourse some days before collection of semen for analysis