Irrespective of gender the dream of having one's own children is shared by many. The first test test usually requested by GP for male fertility evaluation is Semen Analysis ( examination under microscope of material ejaculated from the penis). The aim is to basically see whether the semen has sperms (besides some other features to ascertain the health of the semen).
If there are no sperms in the semen then either testis are not producing any sperms or the conduction mechanism i.e. the tube from testicles to the urethra is blocked.
The 'testicular biopsy' is commonly used operation to differentiate between the two. If facilities are availible then cryopreservation can be performed at the same time.
In case of obstruction being the cause of absence of sperms, srgical procedure to bipass the operation or direct retrieval of sperms from the testis through a variety of techniques is possible.
In patients with testicular biopsy failing to show any sperms, multiple biopsies might identify an island of sperm genesis.
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