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Intrauterine insemination (IUI) is a fertility treatment that involves directly inserting sperm into a woman's womb.
Paying for IUI privately
Fertility tests before IUI
Timing your IUI treatment
IUI using a partner's sperm
IUI using donor sperm
Your chances of success with IUI
Are there any risks?
IUI is also available from some private fertility clinics.
Costs range from about £800 to £1,300 for each cycle of IUI treatment.
Before IUI is carried out, you and your partner's fertility will need to be assessed to find out why you are having difficulty conceiving and to see whether IUI is suitable for you.
Read more about diagnosing infertility .
For a woman to have IUI, her fallopian tubes (the tubes connecting the ovaries to the womb) must be open and healthy.
You and your partner won't usually be offered IUI if you have:
This is because there is some evidence to suggest that it won't increase your chances of getting pregnant in these circumstances compared with natural attempts.
You may be offered IUI in a natural (unstimulated) cycle or in a stimulated cycle.
To increase your chances of success, a cycle of IUI should be carried out just after ovulation. Ovulation usually happens between 12 and 16 days after a woman has had their period , if you have a regular menstrual cycle. This can vary if you have an irregular menstrual cycle.
You may be given an ovulation prediction kit (OPK) to help you work out the date of ovulation. An OPK device detects hormones released during ovulation in urine or saliva.
Otherwise, blood tests may be used to find out when you are about to ovulate.
Sometimes, fertility medicines are used to stimulate ovulation before IUI. In this case, vaginal ultrasound scans are used to track the development of your eggs. As soon as an egg is mature, you'll be given a hormone injection to stimulate its release.
If a couple decides to have IUI using their own sperm, the man will be asked to provide a sperm sample at the fertility clinic by masturbating into a specimen cup. This usually happens on the same day that IUI treatment takes place.
The sperm sample will be "washed" and filtered to produce a concentrated sample of healthy sperm.
An instrument called a speculum is inserted into the woman's vagina to keep it open. A thin, flexible tube called a catheter is then placed inside the vagina and guided into the womb. The sperm sample is then passed through the catheter and into the womb.
This process is mostly painless, although some women experience mild cramping for a short while.
The process usually takes no more than 10 minutes. You should be able to go home after a short rest.
Frozen sperm from a donor can also be used for IUI, regardless of whether you are single or in a partnership, gay or straight.
All licensed fertility clinics in the UK are required to screen donor sperm for infections and inherited diseases.
Some infections take a while to show, so the sperm will be frozen for six months to allow time for infections, such as HIV, to be detected.
The sperm is frozen whether it's from someone you know or from a registered, licensed sperm bank.
Choosing to use donated sperm can be a difficult decision, and you should be offered counselling before you go ahead.
Read more about using a sperm donor.
This depends on lots of different things, including:
There are many different factors involved, so it's best to talk to your fertility team about your individual chances of success.
Some women have mild cramps similar to period pains, but otherwise the risks involved with IUI are minimal.
If you take a fertility medicine to stimulate ovulation, there is a small risk of developing a condition called ovarian hyperstimulation syndrome](https://www.your.md/condition/ivf/risks) . There's also a chance that you will have more than one baby, which carries additional [risks for both you and your babies .
Important: Our website provides useful information but is not a substitute for medical advice. You should always seek the advice of your doctor when making decisions about your health.