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TESA

Testicular sperm aspiration can also be attempted in men who are obstructed although some Doctors advise that this technique can also be performed in men that have non-obstructive azoospermia. The principle behind this is that a needle is inserted into the testicle and sperm tubules are aspirated, and sperm retrieved from these.  Mr Minhas only uses this technique in men who have normal sperm production i.e. have a blockage. He does not advocate this technique in men who have non-obstructive azoospermia, as the microdissection sperm retrieval is the better procedure in terms of sperm retrieval rates.

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