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  • TESA procedure is a modern method of sperm retrieval from male patients with infertility caused by azoospermia. It is a surgical aspiration of sperm from testicular tissue, and it is a necessary stage of IVF in case the above mentioned problem.
    Azoospermia (no spermatozoa in sperm) is a widespreadproblem that impedes the natural conception. The most common form of this disease is the idiopathic one, which constitutes up to 90% of all the cases. Such patients present no developmental anomalies of genital organs or hormonal disorders, but they can’t conceive a child without referring to any reproductive technologies.

    There is also an obstructive form of azoospermia which is characterized by the blockage of tubules through which spermatozoa get into the sperm. One more reason for that is a vasectomy done in the past. Sometimes alcohol misuse, hormonal administration, including steroids, may lead to this condition.

    How is this procedure performed?

    Surgical TESA method involves a surgical outpatient operation in compliance with all rules of antiseptic surgical interventions. Usually, local anesthesia is applied. The main part of TESA procedure is as follows: a special biopsy syringe with a fine needle is introduced into testicular tissue through skin. Usually, the biopsy of both testicles is performed.
    Collected spermatozoa samples will be used for in vitro fertilization (IVF), in particular for ICSI, even if the sperm is non-motile. Furthermore, the samples retrieved through surgical TESA method may be cryopreserved (cells are frozen in liquid nitrogen) and patients may use this material in the future without any need to repeat an aspirational testicular biopsy.
    No additional manipulations are required after this procedure, besides it is neither time-consuming, nor painful for a patient. By using modern equipment, the TESA procedure (biopsy) is safe for the body in general and does not cause any local reactions.

    Important details

    Prior to the TESA procedure, the patient should do a blood test for FSH (follicle-stimulating hormone). This hormone is responsible for spermatozoa maturation directly in testicular tissue. If FHS level is over 30 mol/ml, it means that the spermatogenesis in testicular tissue is interrupted, thus a biopsy will be useless because spermatozoa won’t be detected. If FSH is normal or only slightly increased, TESA procedure may be useful.
    For this reason, a doctor prescribes this procedure only after performing laboratory blood tests. If it is possible, the aspiration of sperm cells from testicles will be performed. If a doctor concludes that this procedure is ineffective, he will find and offer another alternative way to solve this problem.

    Use professional services!

    Infertility treatment is the major specialization of the Centre for Reproductive Medicine PARENS-Ukraine in Lviv. We help the couples, who experience problems with natural conception to enjoy parenthood by applying European experience and using modern technologies.

    TESA gives a chance pass through all the IVF stages despite the male factor.Our experts will provide you with consultation and help you need.