When male partner is unable to ejaculate sperms because of blocked tubes in their testes or because of any other condition, which prevents their sperms being released. Some form of surgical intervention is required for sperm retrieval before doing IVF with intracytoplasmic sperm injection. This process is known as surgical sperm retrieval.
There are various methods of removing sperms depending upon the individual case.
This involves placing a needle attached to a syringe through the skin of the scrotum and simply sucking out the fluid inside the testicle.
This involves the same needle and syringe technique but the needle is placed directly into the epididymis.
This is similar to TESA, but a larger needle is used. This is a 14 gauge needle usually used to biopsy testicular tissue and it usually extracts a larger number of sperms.
An open surgical sperm retrieval procedure that uses an operating microscope to locate the tubules of the epididymis precisely, so that large numbers of sperm can be extracted.
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