How is it that a semen check revealed the presence of dead sperm?

Patient's question:

My wife has never been pregnant, so we came to the hospital for a thorough examination. The result turned out to be azoospermia. I don't have any bad habits, and there's no history of hereditary diseases in our family. The only thing is that we had more sexual activity during our college years, and since getting married, we haven't had any sexual contact. How could azoospermia be detected in the semen analysis?

Doctor's answer:

Azoospermia refers to an increase in the number of dead sperm, with dead sperm accounting for more than 40%, or even most of the sperm in the semen being dead, resulting in a sperm survival rate of 0. The causes of azoospermia include:
1. Inflammation of the sexual reproductive organs can cause congestion and edema in the reproductive organs, blood stasis, and cerebral edema, leading to sperm nearing death.
2. In chronic seminal vesiculitis, increased fructose excretion can cause sperm to nearing death.
3. In testitis, epididymitis, or prostatitis, especially chronic prostatitis, excretion is disrupted, and trace element zinc levels rise, which interferes with sperm decomposition metabolism, causing sperm to nearing death.

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