How does varicocele cause infertility?

/How does varicocele cause infertility?

How does varicocele cause infertility?

The exact mechanism of varicocele causing infertility is uncertain but varicocele increases the temperature of scrotum due to poor drainage of veins and this suppresses sperm production. Some believe that a gonadotoxin is present in such patients which explains why the opposite testis is also affected in a unilateral varicocele.

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