Male fertility
TESA takes a small sample of testicular tissue or fluid through a needle to look for sperm. It is used when epididymal retrieval is not possible or has not worked, and the sperm obtained are used with ICSI, usually after freezing.
Also known as: testicular sperm aspiration
Related South Africa guides
Sources
- ESHRE guidelines and patient information
Last reviewed: 8 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.