MESA

TESE- Testicular Sperm Extraction

This procedure may be performed under GA or local anaesthetic with sedation. A small sample of testicular tissue is extracted from the testes. This can be achieved by either a fine needle being inserted into the testes or a small incision being made.

Sperm that is extracted by the above procedures will then be used in conjunction with an ICSI cycle.

ICSI involves a selected single sperm injected directly into a mature egg. The eggs will then be placed in an incubator and checked the following day for fertilisation. An Embryo Transfer is normally scheduled 3-5 days following egg collection.

ICSI

MESA (Micro-epididymal Sperm Aspiration):

MESA is a procedure to retrieve sperm from the epididymis in men who have a diagnosed blocked vas deferens It is normally carried out under general anaesthetic. The sperm that is taken from the epididymis usually has poor motility so doctors usually proceed to ICSI on the same day.

Effects of ICSI

ICSI is still a relatively new procedure therefore the research on the effects that it may have on children born is still limited. It is possible that male children born may inherit the same type of infertility that the male partner presented if the sperm production was affected by a chromosome abnormality. Genetic counselling should be offered in such cases.

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