What are the causes of azoospermia (absence of sperm) and is there a treatment for it?

Causes of azoospermia

 The testis generates sperm which exit with the semen during ejaculation, but some men suffer from a lack of sperm, also known as "azoospermia," resulting from the absence of sperm within the seminal fluid. So, what are the signs of this condition? And does it imply permanent infertility for the man?

Causes of Azoospermia

The reasons for azoospermia are numerous, including issues within the testis, blockages, or external factors unrelated to the testis or internal production.

Causes of Sperm Duct Obstruction

Internal Causes

A blockage may occur in the testicular passages that transport sperm, such as the epididymis and deferent ducts, preventing them from emerging in the semen during ejaculation.

Alternatively, the testis itself might have an issue, like a complete failure to produce sperm. This could stem from hormonal problems, particularly low testosterone, or testicular impairment due to genetic factors, for instance.

External Causes Also exist, such as damage from contusions or accidents, exposure to radiation, or the intake of medications that affect the testis and male hormones.

Does Azoospermia Mean the Testis Fails to Produce Sperm?

It is not necessarily true that everyone experiencing azoospermia also has non-obstructive azoospermia. The testis might generate a low count of sperm that do not appear during ejaculation, or it might produce the normal amount but have an impediment preventing their entry into the seminal fluid.

Based on this, physicians classify Azoospermia into the following types:

Obstructive Azoospermia

The testes produce sperm at a normal rate, but they do not reach the seminal fluid due to several reasons, such as:

Epididymal Blockage: This occurs in the tube located on the back of each testis, often due to the buildup of fluids that adhere to the semen.

Ejaculatory Duct Obstruction: Resulting from prior infections or genetic reasons.

Retrograde Ejaculation: Where semen enters the bladder instead of exiting via the penis during sexual climax.

Non-Obstructive Azoospermia

In this situation, no blockage prevents sperm from reaching the semen; rather, a low count and impaired testicular production cause fertility issues. Causes for low sperm concentration include:

Consumption of certain drugs that can harm sperm generation.

Exposure to radiation or chemical therapy for cancer treatment.

Suffering from varicocele, which is the swelling of veins in the scrotal sac.

Absence of testes or undescended testes.

Hormonal imbalance due to damage in the pituitary gland.

Genetic disorders, such as Kallmann syndrome, which results from deficient sex hormone development, causing delayed puberty.

What Are the Symptoms of Azoospermia?

Delayed conception after marriage is the most common indication of azoospermia. Some—but not all—individuals may present with other signs, such as:

Diminished libido.

Impaired sexual function.

The presence of a mass or swelling near the testis.

Sparse, light facial and body hair growth.

How Does a Doctor Confirm Azoospermia?

Andrologists perform several examinations to confirm azoospermia. The first step is a physical inspection in the clinic and gathering personal and family medical history, followed by a semen analysis, and any additional tests if necessary.

Semen Analysis and Its Procedure

Semen analysis is among the most crucial medical tests when diagnosing azoospermia. It involves ejaculation into a dedicated cup and sending a sample to the laboratory.

If vital sperm are absent in the test results, the doctor will order a repeat analysis. If sperm remain absent in the second test, the diagnosis of azoospermia is confirmed.

Other Medical Tests Aiding in Azoospermia Detection

Patients may undergo supplementary evaluations, such as:

Blood tests to assess hormone levels in the body.

Ultrasound examination to view the scrotum and all parts of the male reproductive system to check for any blockages.

Brain CT scan to examine the pituitary gland (the gland responsible for secreting sex hormones, which play a vital role in testicular sperm production).

Genetic testing to rule out any hereditary conditions that might have caused azoospermia.

Testicular biopsy to ascertain the reason for azoospermia.

What Are the Treatments for Azoospermia?

The therapy for azoospermia relies on its cause and type, and treatment modalities include:

Treatments for Obstructive Azoospermia

The physician often performs laparoscopic surgery to resolve the obstruction hindering sperm delivery to the semen. Endoscopic surgery is done by passing an endoscope tube through the urethra to remove the blockage in the ejaculatory duct.

If the treatment of the obstruction is successful, the wife conceives naturally. If unsuccessful, the couple must opt for assisted fertilization techniques, such as IUI or ICSI. Sperm can be retrieved directly from the testis using a fine needle and injected into the uterus or the wife's eggs.

Treatment for Non-Obstructive Azoospermia

Cases of azoospermia resulting from an issue with the sperm count secreted by the testis can be managed via:

Hormone therapy.

Surgical repair of a varicocele.

Direct sperm retrieval from the testis for artificial insemination or ICSI.

After clarifying what azoospermia is and its treatment methods, we now turn to discuss another problem affecting sperm that causes delayed conception: the issue of dead sperm. We advise you to keep reading as there is more to discuss.

What Is Sperm Death?

Sperm death implies the presence of non-motile, deceased sperm in the semen sample, meaning they cannot fertilize the egg. This differs entirely from azoospermia discussed earlier. Potential causes include:

Exposure to toxins, such as pesticides, lead, or mercury.

Hormonal disorders, like hypogonadism.

An unhealthy lifestyle, such as illicit drug use or subjecting the testis to high temperatures from prolonged use of steam rooms or jacuzzis.

Testicular problems, like varicocele.

Prolonged abstinence from ejaculation.

Reproductive tract infection.

Early testicular cancer.

Spinal cord injuries.

All the preceding factors cause sperm deformity and loss of their function in fertilizing eggs and achieving pregnancy. The question here is: Can dead sperm be treated?

What Is the Treatment for Dead Sperm?

The remedy for cases of sperm death depends on the underlying cause and involves the following:

Lifestyle modifications, including ceasing drug use and avoiding toxin exposure.

Surgical intervention to correct a varicocele, if present.

Hormone therapy for individuals with hormonal disruptions.

If the above approaches are unsuitable for the patient's situation, the physician may suggest extracting healthy sperm directly from the testis and using ICSI to enable the wife to conceive.

What Natural Methods Aid Sperm Production?

Certain natural approaches can boost fertility. Examples include:

Adopting a healthy and balanced diet to maintain general well-being and promote the production of good, viable sperm.

Engaging in regular physical activity while avoiding strenuous sports that might harm the testis and male reproductive system.

Taking dietary supplements as directed by a physician, prominently folic acid.

Avoiding subjecting the testis to high temperatures, such as saunas and steam baths, or placing a laptop directly on the body for extended periods.

What Is the Best Medical Center for Treating Male Fertility Delays?

Dr. Ahmed Adel's Center—a consultant in male infertility and sexual dysfunction—is considered a premier medical facility for treating conception delays, as Dr. Ahmed possesses extensive expertise in his field and holds numerous reputable academic certifications, foremost among them: