Tags: Disease.
Ejaculatory duct obstruction (EDO) is a congenital or acquired pathological condition which is characterized by the obstruction of one or both ejaculatory ducts. Thus the efflux of (most constituents of) semen is not possible.It is a cause of male infertility and / or pelvic pain. Ejaculatory duct obstruction must not be confused with an obstruction of the vas deferens.