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Azoospermia

  • About
  • About
Overview
Causes
  • Causes of obstructive azoospermia
  • Causes of nonobstructive azoospermia
Diagnosis
Treatments
  • Treatments for obstructive azoospermia
  • Treatments for nonobstructive azoospermia
  • Sperm extraction
Overview
Causes
  • Causes of obstructive azoospermia
  • Causes of nonobstructive azoospermia
Diagnosis
Treatments
  • Treatments for obstructive azoospermia
  • Treatments for nonobstructive azoospermia
  • Sperm extraction

What Is Azoospermia?

Azoospermia (a-zoo-SPER-mee-ah) is a major cause of male infertility, when a man’s ejaculate (semen) has no measurable sperm. Normally, the testicles in a man's scrotum produce sperm. The sperm flow through the male reproductive system to mix with fluid to form semen. Semen is the thick, white fluid released from the penis during ejaculation.

Azoospermia is found in five to 10 percent of men evaluated for infertility. The condition may be present at birth or may develop later in life. At Stanford Health Care, we are leaders in azoospemria treatment and sperm extraction. We create a highly personalized treatment plan to help return fertility to our patients. 

Types of azoospermia

There are two types of azoospermia

  • Obstructive azoospermia: In this case, there is normal sperm production, but the reproductive tract for both testicles is blocked. This means no measurable sperm can get into the semen. Some patients may have a different problem on each side of the scrotum.
  • Nonobstructive azoospermia: This type is poor sperm production. Men do not produce enough sperm for a detectable amount to show up in their semen. Nonobstructive azoospermia remains challenging to treat, but thanks to advances our doctors and others have developed, we can help restore sperm to the semen in some cases.

Causes of azoospermia

Before we create a treatment plan, we need to determine the cause of the azoospermia. Learn more about:

  • Causes of obstructive azoospermia
  • Causes of nonobstructive azoospermia

Diagnosing azoospermia

An accurate diagnosis begins with analyzing two different sperm samples. We may also recommend hormone testing and imaging scans of the reproductive tract. Learn more about diagnosing azoospermia.

Treatment for azoospermia  

Your treatment plan depends on which type of azoospermia you have—obstructive or nonobstructive.

  • For obstructive azoospermia, we may recommend microsurgery surgery, a delicate procedure that unblocks the reproductive tract. We can often perform the procedure using minimally invasive techniques. Learn more about treatment for obstructive azoospermia.
  • For nonobstructive azoospermia, sometimes lifestyle or medication changes may be necessary. Other times we may recommend hormone treatment. Learn more about treatments for nonobstructive azoospermia.
  • Sperm extraction: We have a high level of experience and expertise with this complex procedure, helping men with very low sperm counts become biological fathers. Learn more about sperm extraction.
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Clinics for Azoospermia

  • Male Reproductive Medicine and Surgery Program
    650-723-3391
  • International Azoospermia Center
    650-723-3391

Azoospermia
Our fertility experts use advanced techniques such as sperm extraction to treat men with azoospermia, a major cause of male infertility.
Azoospermia low-sperm-count male-infertility

Male Reproductive Medicine and Surgery Program
650-723-3391
International Azoospermia Center
650-723-3391

Causes
Diagnosis
Treatments

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