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intrauterine insemination (iui)

Factors Deciding The Success Rates For IUI

  • 4.8 (2 Votes)

IUI or artificial insemination success rate depends on some important factors. Age factors and medical health affects the IUI procedure or IUI treatment success

Artificial insemination statistics can vary, depending on a number of factors. We explain six important factors that might affect your personal artificial insemination statistics, also known as IUI success rate.

What type of artificial insemination are you choosing?

Did you know that there are several types of artificial insemination to treat female infertility? Intrauterine insemination (IUI) often has higher success rates over intracervical insemination (ICI). 

A large part of the success of IUI is due to the special sperm washing procedure. Here is how it works:

1- The sperm sample is spun down, separating the healthy sperm from the low mobile sperm

2- The concentrated healthy sperm is then injected directly into the uterus

The special sperm washing effect in IUI may boost your chances of artificial insemination pregnancy

iui treatment

What is your age?

Finding success with artificial insemination often depends on a woman’s age and the level female infertility

Here are insemination success rates by age:

1- Women under 35 have a 10 to 20 percent chance of getting pregnant during an IUI cycle

2- Women between 35 and 40 have a 10 percent chances of getting pregnant using IUI when using fertility drugs

3- Women over 40 have a 5 percent chances of getting pregnant using IUI with fertility drugs

Are you using fertility drugs?

Some women undergoing artificial insemination, especially those over 35, may be advised to take fertility medications to induce a state of superovulation.

This use of fertility drugs may increase your chances of getting pregnant with IUI.

Injectable medications are another option recommended for those that do not have success with Clomid and IUI. Your doctor may recommend that you try 3 to 6 cycles of IUI with injectables before moving on to another fertility treatment option like in vitro fertilization (IVF).

How many inseminations should you do?

Some research has shown that two inseminations are better than one.

iui treatment, iui procedure

When to NOT go for IUI?

  • Blockage of both fallopian tubes
  • Severe male factor infertility
  • Severe endometriosis
  • Severe pelvic scarring
  • For these conditions IVF, in vitro fertilization is the treatment of choice

What is the success rates with inseminations?

Chances for success with intrauterine insemination will be very different in different subgroups of couples depending on the age of the female and the underlying cause of the infertility problem. For example:

1- In a 30-year-old woman with infertility due to PCOS, polycystic ovarian syndrome (an ovulation disorder), the IUI success rate is about 20% per month depending on the medications being used

2- However, in a 43-year-old doing intrauterine insemination for unexplained infertility, the expected success rate is very low - about 1% per month

3- This is due to the significant impact of female age on fertility

artificial insemination, iui procedure

What is the first time IUI success rate?

1- First time IUI success rates are somewhat higher than for additional attempts

2- If insemination is increasing the efficiency of the fertility process for a couple, we expect a pregnancy fairly soon

3- The average success rate per try drops with each attempt until 3 tries are done

4- IUI success rate after 3 cycles is much lower

5- Another way to say it - if insemination is going to work it will be in the first 3 tries

6- Several studies have shown that 90% of IUI success rate are in the first 3 cycles

Dr. R K Sharma

About The Author

Reproductive Endocrinologist, Hysteroscopic Surgeon Dr. R K Sharma

Dr. R K Sharma has completed MBBS and MD in Obstetrics and Gynecology from Pune University in 1981 and 1989 respectively. Dr. R K Sharma is one of the pioneers in the field of IVF treatment in India. He specializes in IUI, IVF, Embryo transfer and Hysteroscopy procedures. He is also a member of Federation of Obstetrics and Gynecology Societies of India (FOGSI). Dr. R K Sharma is presently practicing at Primus Super Specialty Hospital, Chanakyapuri, Delhi. To know more, visit


  1. Intrauterine insemination may help you conceive insemination, Elawoman - 2017
  2. Infertility symptoms, causes and treatments infertility, Elawoman - 2017
  3. Five ways to avoid pregnancy naturally pregnancy, Elawoman - 2017
  4. How to track ovulation with irregular period cycle ovulation, Elawoman - 2017



Monali Shah

That's nice. I have read somewhere that most of the couples in the countries outside India, prefer to have home insemination. This helps them in getting a sperm donor with whom they can interact directly and will have better info about him.

Nov. 2, 2017, 3:24 p.m. 5.0


Ramavatar Pashupathy

Good explanation about the treatment. I have heard that Rashidiya Private Polyclinic in Dubai is also very good with higher success rate.

March 31, 2017, 3:21 p.m. 4.5

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