What is the most common cause of azoospermia?

Vasectomy: The most common cause of obstructive azoospermia is from a vasectomy. The vas deferens, which carries sperm from the testicles to the urethra during ejaculation, has been purposefully cut in half during a vasectomy.

Can testicular ultrasounds cause infertility?

An increased intra-testicular resistive index, as measured by color Doppler ultrasound, indicated abnormal testicular hemodynamics and thus suggests abnormal spermatogenesis or non-obstructive cause of infertility [44–46].

Does ultrasound affect sperm?

Semen samples from all males, regardless of exposure method, exhibited a decrease in the percentage of motile sperm following ultrasound treatment. There was an average reduction in motility of 40% the week following treatment.

What kind of infection causes azoospermia?

Testicular azoospermia: Damage to your testicles keeps them from making sperm normally. It can happen because of: An infection in your reproductive tract, such as epididymitis and urethritis. A childhood illness such as viral orchitis, which causes swelling of one or both testicles.

What are the causes of azoospermia in males?

Azoospermia means there’s no sperm in a man’s ejaculate. Its causes include a blockage along the reproductive tract, hormonal problems, ejaculation problems or issues with testicular structure or function. Many causes are treatable and fertility can be restored.

What causes blockage of sperm transport?

Sperm Transportation When there is no sperm in the ejaculated fluid, this is called azoospermia. There are three main causes of sperm transportation (obstruction) issues: congenital disorders, surgical obstruction and acquired obstruction from infections or diseases.

What causes male sterility?

Causes of male infertility Abnormal sperm production or function due to undescended testicles, genetic defects, health problems such as diabetes, or infections such as chlamydia, gonorrhea, mumps or HIV. Enlarged veins in the testes (varicocele) also can affect the quality of sperm.

Is ultrasound gel sperm friendly?

In fact, studies have shown that lubricants and ultra- sound gels can have a toxic effect on sperm and are contraindicated for couples who are trying to conceive (3–6).

Can infertility be cured in males?

In rare cases, male fertility problems can’t be treated, and it’s impossible for a man to father a child. Your doctor might suggest that you and your partner consider using sperm from a donor or adopting a child. Our caring team of Mayo Clinic experts can help you with your health concerns.