- These are procedure done for the azoospermic male patients (no sperms in the semen) or aspermia (unable to produce semen) or indicated to detect the presence of sperms in the testes.
- Sperm are aspirated with a needle from the testicle or from the vas deferens (a structure right next to the testicle that also contains sperm) under local anesthesia.
- There are various procedures depending upon the area from which the sperms are aspirated -
- PESA - Percutaneous Epididymal Sperm Aspiration
- TESA - Testicular Sperm Aspiration
- If sperms are retrieved they can be used in ICSI – IMSI treatment.