What are the causes of male infertility?

Patient's question:

I'm so heartbroken. How could I get such an illness? I've been exercising well, but still ended up getting a disease that's so embarrassing. I can't even be a father. I'm truly heartbroken now. I don't care about anything anymore. What kind of help I need: Seeking medical assistance

Doctor's answer:

1. Abnormal testicular spermatogenesis, such as cryptorchidism, small testes, absence of testes, viral orchitis, varicocele, toxins, magnetic fields, high fever, and trauma, as well as other physical and chemical factors, can all lead to testicular spermatogenic dysfunction.
2. Abnormal sperm structure and seminal plasma abnormalities can affect sperm motility, capacitation, and the acrosome reaction.
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