TESA: Testicular Sperm Aspiration
Testicular Sperm Aspiration (TESA) is a procedure in which a sample of sperm cells and tissue are removed from the testicle. The sperm is separated from the tissue and then used right away to fertilize eggs or frozen for future infertility treatment. Testicular sperm aspiration is a type of Sperm Retrieval Techniques, and it is completely safe.