Blockage of Sperm Transport

Sperm motility score should be studied in the laboratory, equipped with modern magnification equipment. The normal motility score represents the percentage of sperms which actively move into the forward direction.

Patients with partial obstruction (blockage) may have mild or no symptoms. Nevertheless it is important to perform the timely diagnostics of this condition, since it leads to infertility and other health problems, such as

During a physiological palpation procedure, an experienced urology or andrology specialist can find post-operative scars, seals, bands, areas of thickening or cyst. In case some dubious areas are identified, a special transrectal ultrasound procedure is performed. It helps to diagnose the possible dilatation problem in epididymis and seminal vesicle. Among the other necessary diagnostic steps there are:

Usefull Information About Blockage of Sperm Transport

Surgical management of the sperm transport blockage is the only way to restore fertility of a man. The surgery aimed at unblocking the sperm transport should be performed by an experienced microsurgery specialist, who will clear up the blockage under 10x25 power magnification. A special “Microknife” technology is usually implemented at German clinics to hemitransect the vas until the lumen is revealed. This kind of treatment is performed under general anesthesia and lasts about 25-50 minutes. After the surgical elimination of the blockage, the fertility function is restored in 70% of all cases. If the azoospermia still persists and a man still has low sperm count, the treatment with one of the assisted reproductive technique is indicated.

If the permeability of the seminal ducts is unrecoverable or microsurgical operation is contraindicated due to anatomical features, a man can apply to direct microsurgical aspiration of sperm from the epididymis (TESA) or extraction of sperm from the testicle (MESA), combined with artificial insemination (ICSI intracytoplasmic sperm injection). The spermatozoa aspirated from epididymis or testicles can be frozen (cryopreserved), to allow a second ICSI procedure, if another pregnancy is planned in the future.

Being a patient at one of the best German fertility centers, you can expect the highest level of urological service as well as individual and holistic approach. Don’t hesitate to call us for more information.

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