Intrauterine Insemination Procedure and Treatment

Intrauterine insemination (IUI) involves a laboratory procedure to separate fast moving sperm from more sluggish or non-moving sperm.

The fast moving sperm are then placed into the woman’s womb close to the time of ovulation when the egg is released from the ovary in the middle of the monthly cycle.

Is IUI for me?

Your clinic may recommend IUI if:

  • there is unexplained infertility
  • there are ovulation problems
  • the male partner experiences impotence or premature ejaculation
    you do not have any known fertility problems but may not have a male partner and are trying for a baby using donated sperm.

Patency health tests

It is essential that your fallopian tubes are known to be open and healthy before the IUI process begins. A tubal patency test is usually carried out as part of your assessment by the fertility clinic.

The typical method for assessing the health of your pelvis and the patency of your fallopian tubes is laparoscopy and dye testing.

At laparoscopy a direct view of the pelvis is obtained by inserting a telescope into the abdomen.

When the pelvis and tubes are healthy, dye passes freely through both tubes. There should be no adhesions present that might prevent an egg from having access to either tube from the ovaries.

This is performed under a short general anaesthetic.

The test may show that you only have one open healthy tube although you may have both ovaries. IUI treatment can then only be carried out when there is evidence that ovulation is about to occur from the ovary that is on the same side as the open tube.

The second essential requirement is that there is no significant problem with sperm numbers or sperm quality.

When Is IUI Used?

The most common reasons for IUI are a low sperm count or decreased sperm mobility.

However, IUI may be selected as a fertility treatment for any of the following conditions as well:

  • Unexplained infertility
  • A hostile cervical condition, including cervical mucus problems
  • Cervical scar tissue from past procedures which may hinder the sperms’ ability to enter the uterus
  • Ejaculation dysfunction

IUI is not recommended for the following patients:

  • Women who have severe disease of the fallopian tubes
  • Women with a history of pelvic infections
  • Women with moderate to severe endometriosis

How does IUI work?

Patency health tests

IUI can only begin once it has been confirmed that your fallopian tubes are open and healthy. This will usually be checked through a tubal patency test as part of your assessment by the fertility clinic.

This may involve a laparoscopy, an operation in which a dye is injected through your cervix as the pelvis is inspected for blockages with a telescope that has a tiny camera attached (a laparoscope).

Alternatively, you may undergo a hysterosalpingo-contrast sonography (HyCoSy) – which involves using a vaginal ultrasound probe to check the fallopian tubes for blockages – or a hysterosalpingogram, an x-ray of your fallopian tubes.

The procedure

For women

If you are not using fertility drugs, IUI will be performed between day 12 and 16 of your monthly cycle – with day one being the first day of your period. You will be given blood tests or urine tests to identify when you are about to ovulate.

Or:

If you use fertility drugs to stimulate ovulation, vaginal ultrasound scans are used to track the development of your eggs. As soon as an egg is mature, you are given a hormone injection to stimulate its release.

The sperm will be inserted 36–40 hours later. The doctor will first insert a speculum into your vagina, as in a smear test, to keep your vaginal walls apart.

A small catheter (a soft, flexible tube) will then be threaded into your womb via your cervix. The best-quality sperm will be selected and inserted through the catheter.

The whole process only takes a few minutes and is usually painless. Some women may experience a temporary, menstrual-like cramping. You may want to rest for a short time before going home.

For men:

You will be asked to produce a sperm sample on the day the treatment takes place.

The sperm will be washed to remove the fluid surrounding them and the rapidly moving sperm will be separated out from the slower sperm.

The rapidly moving sperm will be placed in a small catheter to be inserted into the womb.

If you are using donated or frozen sperm, it will be removed from frozen storage, thawed and prepared in the same way.

What Are The Risks Of IUI?

The chances of becoming pregnant with multiples is increased if you take fertility medication when having IUI. There is also a small risk of infection after IUI.

How Successful Is IUI?

The success of IUI depends on several factors. If a couple has the IUI procedure performed each month, success rates may reach as high as 20% per cycle depending on variables such as female age, the reason for infertility, and whether fertility drugs were used, among other variables.

While IUI is a less invasive and less expensive option, pregnancy rates from IUI are lower than those from IVF. If you think you may be interested in IUI, talk with your doctor to discuss your options.

Source & More Info: americanpregnancy.org and hfea.gov.uk

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