Artificial insemination(AIH)

Infertility testing and treatment

What is the Artificial Insemination (AIH)?

Sperm is injected directly into the uterus to increase the chance of the egg and sperm meeting.

Artificial insemination is performed the day before or on the day of ovulation.

The method is as follows:
(1)The sperm is collected in a container.
(2)The sperm is washed to remove bacteria and other contaminants, and then further concentrated before being injected into the uterus.

The doctor will only be able to inject the sperm into the uterus. The actual process of the injected sperm meeting the egg, fertilization, implantation, and conception is exactly the same as a natural pregnancy. About 90% of the pregnancies that result from artificial insemination are successful by the fourth to sixth cycle, so it is effective to step up to IVF around that time.

Cases in which artificial insemination is suitable Cases in which artificial insemination is not suitable
  • ・Sperm disorders due to sperm depletion or sperm asthenia
  • ・Sexual Dysfunction
  • ・Sperm Entry Obstruction
  • ・Those who have no problems with their sperm but are unable to conceive after 6 or more cycles of timed intercourse and are not willing to undergo IVF.
  • ・If there is no sperm problem.(Since the effective purpose of artificial insemination is to support the entry of sperm into the uterus, the effectiveness of artificial insemination itself is low when sperm are normal.)
  • ・If the woman is advanced age.

How to proceed with the Artificial Insemination

Consider using ovulation induction

From the first day of menstruation to the 5th day of menstruation

This is the time to consider whether to undergo artificial insemination, use fertility drugs, or ovulate completely naturally this cycle.

If you have a completely natural ovulation cycle, you do not need to visit the clinic during this period. Please come back to the clinic for your next ultrasound appointment.

Ultrasound test

From the 10th day of menstruation to the 12th day of menstruation

The size of the follicles and the thickness of the endometrium are measured by ultrasound to accurately identify the day of ovulation. In addition, a blood test may be used to measure estrogen (E2) to improve accuracy.

Once the ovulation date is identified, the time of the artificial insemination and the method of sperm preparation will be discussed and decided.

Day of artificial insemination

From the 12th day of menstruation to the 14th day of menstruation (Day before and on the day of ovulation)
The process of sperm preparation The process of artificial insemination on the wife's side


Collect sperm at home and bring it with you or use our clinic’s sperm collection room.



Sperm is washed and concentrated.
We always have a team of two embryologists to check the semen to ensure that there are no mistakes.
The sperm are then counted under a microscope to determine the number of motile sperm, and then washed and concentrated in a centrifuge.
This process takes about an hour.


Ultrasound examination

On the day of the insemination, the ultrasound can be used to check the condition again before the insemination, or it can be skipped if you are in a hurry.


Conduct artificial insemination

The procedure is performed in a special room for artificial insemination.
You can take a 15-minute break after the insemination.
Finally, the nurse will explain the precautions to be taken after the artificial insemination.

Luteal replacement therapy

After 14 days of menstruation(After ovulation)

After insemination, ovulation and luteal function will be checked. If there is a decrease in luteal function, luteal replacement therapy is used to increase the implantation rate.

Pregnancy test

After 28 days of menstruation (After the expected menstruation)

If you do not have your period after the expected start date, a pregnancy test will be performed. A blood test measuring the hCG hormone determines pregnancy.

Frequently Asked Questions


Does it hurt?


There is almost no pain. Most of the time, the pain after the procedure is ovulation pain. The catheter used for artificial insemination is made of resin and is very soft. It takes only a few seconds to inject the sperm, so there is almost no pain.


How much does it cost?


The fee is ¥22,000 (tax included).


What is the pregnancy rate?


On average, the probability is 5% to 10% per procedure.
However, this varies greatly depending on the age and circumstances of the woman.


If I am not successful, how many times do I have to step up from AIH to IVF?


The average cycle of artificial insemination is 4-6 cycles. However, depending on the age of the woman and the condition of the sperm used, it might be better to consider about step up to the process earlier.


Will the baby have any abnormalities?


There is no difference in risk between natural conception and artificial insemination. In artificial insemination, sperm is simply injected into the uterus directly, and fertilization and implantation are the same as in a natural pregnancy. Therefore, the incidence of congenital abnormalities in babies is the same as in natural pregnancies.


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