How do you confirm azoospermia?

Azoospermia is considered after a sperm analysis finds no sperm in a sample. Several tests will be conducted to confirm azoospermia and diagnose its cause: the medical history will be analyzed for potential causes; hormonal tests will be done to analyze the levels of testosterone, Luteinizing Hormone (LH), Follicle Stimulating Hormone (FSH), progesterone, prolactin, estradiol, thyroid-stimulating hormone (TSH); genetic tests for causes of infertility such as karyotyping, Klinefelter syndrome diagnostic tests, and Y-chromosome deletions testing.

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