2 doctors weighed in:

What causes a man to have infertile problem?

2 doctors weighed in
Dr. Michael Fox
Fertility Medicine
1 doctor agrees

In brief: Multiple

Many are born with abnormalities in sperm production.
Some lose production ability with time. Infections can block tubes, vas deferens, that take sperm to the outside. Trauma or surgery can cause problems. Some have hormone problems that affect the sperm production. Drugs such as BP meds or steroids for weight lifting or sports can do it.

In brief: Multiple

Many are born with abnormalities in sperm production.
Some lose production ability with time. Infections can block tubes, vas deferens, that take sperm to the outside. Trauma or surgery can cause problems. Some have hormone problems that affect the sperm production. Drugs such as BP meds or steroids for weight lifting or sports can do it.
Dr. Michael Fox
Dr. Michael Fox
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