Although the exact cause of JIA is unclear, as children grow older, symptoms often improve, which means they can live a normal life. In clinical causes, asoospermia and oligospermia can be caused by UTI, prostatitis, epididymtiis and vesiculitis. For the sufferers who suffering from antisperm antibody, the outcome of mycoplasma cultivation presents being optimistic, indicating that this form of antisperm antibody is connected alongside the infection of mycoplasma. The varices in the spermatic cord and hydrocele typically are associated with epididymitis and inflammation of spermatic duct, where furthermore, it designates a well known fact, which is, the diseases of low sperm count and dead sperm are closely from the infection of genital tract.