Male Infertility

Barbados Fertility Center specializes in Male Infertility with up to 90% of cases that we see requiring ICSI. Male infertility is very common, affecting about one in twenty men. Male factor is present in almost half of all infertile couples and about one third of all IVF procedures are performed for male factor infertility. For most men the discovery that they are infertile comes as a total surprise.

It must be remembered that the testis have two distinct roles.

The first is to produce the male sex hormone, testosterone, which is important for providing sex drive, erections, strong muscles and basically giving a man a general feeling of well being. All these things can be described as virility.

The second function of the testis is to produce millions of sperm everyday, a process that occurs inside each testis. For most infertile men it is only this process that is at fault and a reduced number or poor quality of sperm are produced.

Most infertile men produce low numbers of sperm, which may also show both poor swimming ability (called motility) and be abnormally shaped (morphology). In such men, only a small number of normally shaped motile sperm are likely to swim up the woman’s fallopian tube into the vicinity of the egg and even then may be unable to fertilise the egg.

Why does this problem develop? We now believe that most cases are genetic. In other words, these men are born without the genetic information that would allow sperm production to occur normally. No treatment for men to improve sperm counts is likely to become available. IVF techniques offer hope though, as they require fewer normal sperm than nature.

In the remaining one third of infertile men, we can find a likely cause for their infertility including:

  • Obstruction to the passage of sperm from the back of the testis to the outside can result from blockage or absence of the vas deferens. Common causes include, obviously, vasectomy, but any history of injury, and other surgery or sexually transmitted disease may be important.
  • Men produce antibodies in their sperm following vasectomy or other trauma or infection. These antibodies are a common cause of infertility and prevent sperm swimming or sticking to the egg. Such antibodies can only be found using a special test on fresh sperm and are available Barbados Fertility Center.
  • The testis can be damaged by a wide number of treatments including chemotherapy or repeated X-Ray therapy.
  • Some men have difficulties obtaining an erection, or ejaculating due to a wide range of problems such as diabetes, MS, or previous prostate surgery. In these cases sperm can be found and used for IVF.
  • Rarely, a deficiency in the brain pituitary hormones may result in low sperm counts. Its detection is important as it is readily treated with hormone injections.

Finally studies have shown that sperm counts have declined worldwide. The alleged change is quite small (about 15%) and no cause has been confidently identified, however it is believed to be an environmental factor.

In conclusion while the causes of infertility are uncertain in many men, certain conditions can be identified and treated. Given these facts, it is essential that all men suffering with infertility undergo extensive tests to determine the cause and the best course of treatment.

Get in touch to sign up for a free, no obligation phone consultation with our IVF Specialist Physicians.



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