|
|
|
|
|
|
| |
Testicular
Sperm Aspiration (TESA)
 Sperm
can be harvested directly from the testes through
testicular fine- needle aspiration of the testes (TESA).
Because a low number of sperm can be collected this
way, and because testicular sperm cannot fertilize
an egg on its own, TESA must be used along with
In Vitro Fertilization (IVF) and
Intracytoplasmic Sperm Injection (ICSI).
How does TESA work?
Under
local sedation, a small needle is used to extract
sperm directly from the testicle.
|
>> |
Testicular sperm must be used with
In Vitro Fertilization (IVF) and
Intracytoplasmic Sperm Injection (ICSI).
A single sperm, processed in our
laboratory, is injected directly
into the oocyte (egg), fertilizing
it.
|
|
>> |
Once fertilized, the developing
embryo is implanted into the uterus. |
|
Prior to the availability of TESA, men with no sperm
in their ejaculate required much more involved
surgery to recover sperm from their testes. Those
major operations would require hospitalization and
lengthy recuperation time, as well as high costs.
Conversely TESA is a fast procedure performed right
in the office, requiring only local sedation, and
costs much less than surgery. Recovered sperm can
either be used for ICSI or cryopreserved and thawed
on the day of retrieval.
Back
|
| |
|
|
|
 |
|
