The epididymis is a long coiled tube located on the back of the testis; it collects and stores sperm. An epididymal blockage or obstruction can form, preventing sperm from getting into the ejaculate. Fortunately, it's completely treatable and we can help.

Can sperm cause a blockage?

Sometimes the tubes through which sperm travel can be blocked. Repeated infections, surgery (such as vasectomy), swelling or developmental defects can cause blockage. Any part of the male reproductive tract can be blocked. With a blockage, sperm from the testicles can't leave the body during ejaculation.

What are the symptoms of sperm blockage?

What are the symptoms of ejaculatory duct obstruction? EDO can cause pelvic pain, especially after ejaculation. You may notice a greatly reduced amount of semen, or none at all when ejaculating. Also, an EDO changes the makeup and consistency of your semen, which you may notice as being overly fluid or runny.