Intrauterine insemination (IUI) is a method of assisted reproduction in which specially treated and prepared sperm are injected directly into the uterine cavity at the time of ovulation in a woman. The procedure is aimed at increasing the probability of fertilization of the egg and subsequent pregnancy.

This is how the process of intrauterine insemination proceeds:

Diagnostics and preparation:

  • A woman undergoes preliminary medical examinations, including a check of reproductive health, hormonal status, and examination of the uterine cavity.
  • If necessary, ovulation stimulation may be required using drugs to increase the number of eggs.

Sperm collection and processing:

  • Spermatozoa are collected from a man who can be a woman’s partner or a sperm donor.
  • Spermatozoa are processed to improve their mobility and ability to penetrate the egg.


  • At the time of ovulation (the release of an egg from the ovary), sperm is injected into the uterine cavity using a thin catheter.
  • The procedure is performed by a doctor in the office without the use of general anesthesia.

Monitoring and testing:

  • After the procedure, the possible onset of pregnancy is monitored.
  • Approximately 10-14 days after insemination, a woman is recommended to donate blood to determine the level of chorionic gonadotropin (hCG), a hormone that is produced in the first weeks of pregnancy.

Evaluation of results:

  • In case of a successful pregnancy, an ultrasound examination is performed to assess the development of the fetus.

Intrauterine insemination can be used as a primary method of infertility treatment or in cases where other methods are ineffective. This method is usually considered in the absence of obvious disorders in the structure of the ovaries and uterus in a woman, as well as in the case of male factor infertility, when the number and mobility of spermatozoa are insufficient for natural conception.

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