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Fertility Glossary

TESE

Testicular sperm extraction — a small tissue sample taken from the testis.

TESE takes a piece of testicular tissue which the laboratory searches for sperm. It is used when needle aspiration is unlikely to succeed.

Related terms

Surgical sperm retrieval

Collecting sperm directly from the testis or epididymis.

Micro-TESE

Microsurgical testicular sperm extraction using an operating microscope.

Azoospermia

No sperm found in the ejaculate.

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