Y-Chromosome Microdeletion

The Y-Chromosome Microdeletion Test detects microdeletions in the AZF (Azoospermia Factor) regions of the Y chromosome, which are associated with spermatogenesis. The test is used to identify a genetic cause of male infertility in individuals with a very low sperm count or the complete absence of sperm (azoospermia).

Which Regions Does Y Chromosome Microdeletion Analysis Examine?

Y chromosome microdeletion testing investigates genetic material losses in the AZF (Azoospermia Factor) regions, which play a role in sperm production. Microdeletions in the AZFa, AZFb, and AZFc regions may be associated with reduced sperm production or a complete impairment of sperm production. The clinical effects may vary depending on the location and extent of the deletion.

Who Is Y Chromosome Microdeletion Testing Suitable For?

Y chromosome microdeletion analysis may be recommended following clinical evaluation, particularly in men with very low sperm counts (severe oligozoospermia) or no sperm in the ejaculate (azoospermia). Test results can contribute to the investigation of genetic causes of male infertility and help inform reproductive health counseling.

How Are Y Chromosome Microdeletion Test Results Interpreted?

Test results indicate whether microdeletions have been detected in the examined regions of the Y chromosome. The clinical significance of the results depends on the location of the deletion and the individual’s semen analysis findings. Genetic counseling is important to help interpret the results and provide information about reproductive options and appropriate follow-up.

*For a detailed sample collection, please contact our team.