IUI : Intra – Uterine Insemination

IUI : Intra – Uterine Insemination

Posted : 24 April 2024

It is the injection of sperm directly into the uterine cavity by a specialized device, which is a small plastic tube inserted through a woman’s cervix around or near ovulation. The sperm will be prepared and screened in the laboratory and the appropriate amount of sperm will be selected. which is usually around 1 million cells or more (If less than this, the chances of pregnancy are reduced.) We will select only healthy sperm. Still alive and mobile to be injected directly into the uterine cavity of a woman. Sperm will not have to swim through the cervix, causing a large number of sperm to enter the uterine cavity and be ready to fertilize the egg cells in the fallopian tubes immediately. This can increase the pregnancy rate in infertility by 10-15%. Therefore, a team of medical professionals recommends that it is suitable for couples with the following primary problems:

  • Females under the age of 30 years.
  • Couples who have not used birth control and have used natural methods for at least 6 months – 1 year but are not pregnant.
  • Can’t find the cause of infertility.
  • Males whose sperm count is below the standard or have slow sperm motility.
  • Males with problems with ejaculation in the vagina or erection of the penis.
  • Females with ovulation problems.
  • Females with abnormalities of the uterus, vagina or cervix.

Rules before UI

Both male and female couples should see a medical team for consultation and advice and a preliminary physical examination before preparing for IUI. The process of doing IUI is as follows:

  • Eat food from all 5 food groups and should be foods that are beneficial to sperm, egg cells and uterine walls, as well as exercising regularly. (According to the advice of the medical team)
  • Refrain from having sex at least 3-7 days before the date of IUI.
  • Get enough rest at least 8 hours/day
  • Refrain from smoking, alcoholic beverages and all kinds of caffeine 

IUI procedures

  • The female spouse lies on a clinically prepared obstetric bed in a special laboratory.
  • The medical team will use medical instruments to dilate the vagina to reveal the cervix.
  • Then insert a small, soft, medical specific catheter that has been verified to cause no irritation or adverse effects.
  • Once the tube is inserted into the uterus, a team of medical professionals will inject quality-screened sperm into the upper uterine cavity through a tube inserted into the female uterus. It is for the sperm to find the egg cell more efficiently. At this stage it only takes 5-15 minutes.
  • After completing the intrauterine sperm injection (IUI) procedure, we will remove all the equipment. The female spouse must lie down for 30-45 minutes and be able to return home afterwards.
  • About 2 weeks after the intrauterine sperm injection (IUI) procedure, you can take a pregnancy test yourself at home or at a clinic.
  • If pregnancy occurs, the medical team will schedule a blood test to measure pregnancy hormone levels.
  • If the pregnancy is unsuccessful, we recommend seeing another medical team to treat infertility at another stage or procedure.

Pregnancy Success Rate of IUI

The successful pregnancy rate is 10-15%. IUI can be done several times in a row and can help increase success rates. Usually, the medical team recommends 3-6 sessions. By the end of the sixth round, the success rate will start to stabilize and not increase. The medical team will recommend alternative fertility treatments. 


  • Daily life can be normal.
  • Sexual activities can be normal.
  • Bathing or swimming is not recommended for the first 3-4 days to reduce the risk of infection.
  • In some cases, hormonal pills or vaginal suppositories may be prescribed to assist in implantation of the embryo. You should use as directed by your doctor and strictly follow your doctor’s orders.