What is azoospermia ?

Azoospermia is a type of medical condition and one of the infertility causes in men who have no sperm cells in their semen fluid. Azoospermia means lack of sperm cells in semen. 20% of the infertility cases in men are related with azoospermia.


If you have infertility problem; if you want to have a baby but can’t conceive, your doctor may recommend you semen analysis test to check your sperm cells.


Semen analysis test is a type of laboratory test that is done to diagnose male type infertility. Semen analysis test is also called spermogram, sperm test or sperm count test.

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Your semen fluid and sperm cells are examined and evaluated in semen analysis test. Semen analysis test has sub topics about evaluation of semen fluid and measurements of sperm cells.

  • Semen volume
  • Sperm count
  • Sperm concentration
  • Semen pH
  • Sperm motility
  • Sperm morphology
  • Semen liquefaction time
  • Semen WBC count
  • Semen appearance

Sperm concentration means sperm cell count per mL of semen fluid and  should be at least 15 million sperm cells/mL according to WHO. If the sperm concentration is found zero this condition is called azoospermia.

Azoospermia problem is found in 1-2 % of whole men and 20% of infertile men. Azoospermia has no evident symptom to be understood without sperm test. Couples have semen analysis test when they can’t get pregnant and azoospermia may be diagnosed by this way.