Definition

Hirsutism is excess male-pattern hair growth in women. The coarse, dark hair can occur in areas such as the face, chest, and back.

Causes

Hirsutism is often due to an increased level of a male sex hormone called androgen. Some common causes are:

• Polycystic ovary syndrome (most common cause)
• Congenital adrenal hyperplasia
• Ovarian tumors
• Adrenal tumors

Sometimes the cause is not known.

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Risk Factors

This problem is more common in women of reproductive age.

Symptoms

The most common problem is excess hair growth on the face, arms, back, armpits, groin, or chest. Severe problems may be:

• A deep voice
• Male-pattern baldness
• Acne
• Decreased breast size
• Increased muscle mass
• Increased size of clitoris
• Abnormal or absent menstrual periods

Diagnosis

The doctor will ask about your symptoms and health history. A physical exam will be done. It will focus on areas of hair growth. This is often enough to make the diagnosis.

Blood tests may be done to check hormone levels.

Other tests may be done to look for a cause.

Treatment

Any underlying causes will need to be treated. This may stop hair growth in some women.

The hair does not need to be removed, but some women may choose to do so. Choices are:

Prevention

There are no current guidelines to prevent this health problem.