Page ContentEjaculatory Duct ObstructionEjaculatory duct obstruction (EDO) is a common and correctable cause of male infertility. Ejaculatory duct obstruction is the blockage of one or both ejaculatory ducts, which are the tubules that sperm travels through. An obstruction of the ejaculatory duct can lead to low sperm production, low sperm count, infertility, and post-ejaculatory pain. The condition is the cause of infertility in 1 to 5 percent of infertile men.Symptoms of ObstructionSymptoms of ejaculatory duct obstruction may include:Painful intercoursePain after ejaculationReduced semen volumeBlood in semenPain between the scrotum and anusTwo Main CausesThe cause of ejaculatory duct obstruction can be congenital or acquired. An example of congenital causes is cystic fibrosis gene mutations. Acquired causes may include epididymitis, past frequent urinary tract infections, scar tissue, and cysts.How its TreatedThe most common treatment for ejaculatory duct obstruction is transurethral resection of the ejaculatory ducts (TURED). This procedure, which takes about an hour in an outpatient setting under anesthesia, involves a telescopic device placed through the urethra. Then any obstructions, such as cysts, are removed, if possible If you are having difficulty conceiving and/or are experiencing the symptoms of ejaculatory duct obstruction, the Urology specialists at Kelsey-Seybold Clinic in Houston can diagnose the condition and remove any obstructions that are causing pain and fertility issues.