Success Rates and Factors of Intrauterine Insemination (IUI)

Success Rates and Factors of Intrauterine Insemination (IUI)


Intrauterine insemination (IUI) is a type of fertility treatment during which a male sperm is placed directly into the womens uterus for the process of fertilization. It is one of the most effective and simple procedure which helps healthy sperm to get closer to the female egg. IUI is also known as artificial insemination or donor insemination. This helps in saving a lot of time for further treatment as it cuts down the distance sperm has to travel, making the fertilization process easier and flexible at the same time. 

Intrauterine insemination (IUI) is a low-risk infertility treatment giving a patient a painless option to conceive. There are various factors that can affect the success rates of IUI. The age of the women, underlying infertility diagnosis and the use of infertility drugs can make a big difference. The success rate of the IUI procedure varies through each cycle as the rate increase by 20% per cycle.

What is the success rate of IUI?

Usually, women have the IUI success rate of 10-20 percent in the first try of intrauterine insemination cycle. This proves that more the cycle is performed better the chance of conception. The chance of fertilization varies in each cycle with the procedure of IUI giving hope to the couple in each stage. One couple is generally recommended three intrauterine insemination cycle. However, in some cases, the number of the cycle can also be increased to the six. This depends on the situation and the increasing rate of success.

Intrauterine Insemination (IUI) with its treatment procedure

Success rate by age

The first thing that is to be noted is the age of the female patient because the success rate of IUI decreases in women over the age of 40. Apart from this the rate also slows down for the ones who havent been able to conceive after three IUI treatment cycle. As the age of the female patient progresses the success rate also decreases according to it without the use of fertility drugs. Women with an age gap between 20-30 years have a pregnancy rate of 17.6% whereas it decreases to 5.4% in 40+ age women.

Injectables success rate

A proper medication process is considered especially to the couples who are trying to conceive for 12 to 18 months. The odds of the pregnancy can be changed with the medication process which can be done by using injectable medication. This fertility medication involves either Follicle Stimulating Hormone (FSH) or the combo with Luteinizing Hormone (LH). The injecting of FSH with or without LH helps in producing multiple follicle or cysts containing eggs. The success rate per cycle with this medication is 10% for women with age of 35-40 years and 5% for the age of 40 years and above. 

Success rate with PCOS

About 10% of women with childbearing age suffer from PCOS with the hormonal imbalances resulting to produce excess male hormone. However, women with PCOS are also considered as an excellent candidate for the treatment of intrauterine insemination. The success rate for the patients of PCOS for fertility is far better than the others. IUI paired with gonadotropins for the PCOS patients has the success rate of 14-26 percent per cycle.

Who is the best candidate for Intrauterine insemination (IUI)?

As the success rate of intrauterine insemination varies from one person to another, it might not be the best procedure for everyone. The best ones will have a good chance to conceive as early as possible and fulfill their dreams. Yes, it an effective process if the patient tick all the boxes that are required for the successful running of the treatment. Every cycle increases the chance of fertility which is a very good thing for women who wish to be a mother of a child. The best candidates who can opt for IUI are as follows:

  • Female partner with cervical mucus problems
  • Candidate with mild to moderate male infertility
  • A person with irregular or absent ovulation
  • PCOS sufferers
  • Ones who are suffering from unexplained infertility

Trying to conceive early is always the dream of every couple but they must know everything about the fertility treatment. They should consult with the fertility expert and if the choice is IUI treatment then, they must know about all the factors that arises while doing the treatment along with the success rate of every stage.

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