Impaired Sperm Motility

Obstruction may occur at any point along the pathway that spermatozoa must travel to reach the outside: the seminiferous tubules, the epididymis, the vas deferens, the ejaculatory duct, or the urethra. Diseases such as mumps orchitis (testicular inflammation and scarring due to the mumps virus), epididymitis (inflammation of the epididymis), and tubal infections such as gonorrhea or ascending urethral infection may cause adhesions and occlusions, interfering with sperm transport. Congenital stricture of a spermatic duct is sometimes seen. [Read more...]