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IUI, Artificial Insemination, or Intrauterine Insemination is a fertility treatment in which the sperm is placed inside a woman’s uterus to facilitate fertilization. It aims to increase the number of sperms that reach the fallopian tubes, and as a result, it increases the chances of fertilization. This treatment was beginning to use in the early 1940s with the male partner’s sperm.

However, this treatment has some limitations. It is not effective under certain conditions like a couple with severe tubal damage, ovarian failure, tubal blockage, severe male factor infertility, and advanced stages of endometriosis.

When Is IUI Used?

Most of the time, IUI used to increase low sperm count. However, it may select as a fertility treatment for the following conditions:

According to studies, IUI is useful in cases associated with poor sperm quality. However, the total sperm count after the process is less than 5 million, and hence changes of pregnancy are low. If the sperm count is between 1 to 5 million, the success rates are meager. Due to this reason, we suggest in vitro fertilization with ICSI.

The Risk Associated With IUI:

Intrauterine insemination (IUI) is a safe and simple procedure. The complicated risks are low. However, the slight risks include:


There is a small risk of infection development due to the procedure.

Multiple Pregnancies:

IUI has not increased the risk of twins, triplets, or more, but when it coordinates with ovulation-inducing medications, it increases the risk of multiple pregnancies. Multiple pregnancies have higher risks, including early labor and low birth weight.


The process of placing the catheter cause vaginal bleeding in some cases. However, it does not affect the chances of getting pregnant.

View of operation using modern endoscopic equipment
Caucasian female doctor discussing baby ultrasound report with pregnant woman