Hypogonadism can begin during fetal development, before puberty or during adulthood. Signs and symptoms depend on when the condition develops.

If the body doesn't produce enough testosterone during fetal development, the result may be impaired growth of the external sex organs. Depending on when hypogonadism develops and how much testosterone is present, a child who is genetically male may be born with:

Male hypogonadism may delay puberty or cause incomplete or lack of normal development. It can cause:

In adult males, hypogonadism may alter certain masculine physical characteristics and impair normal reproductive function. Signs and symptoms may include:

Hypogonadism can also cause mental and emotional changes. As testosterone decreases, some men may experience symptoms similar to those of menopause in women. These may include:

See a doctor if you have any symptoms of male hypogonadism. Establishing the cause of hypogonadism is an important first step to getting appropriate treatment.

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Male hypogonadism Symptoms - Mayo Clinic