ICI, or intracervical insemination, is a type of assisted reproductive technology (ART) where sperm is placed directly at the entrance of the cervix using a small needleless syringe. It’s one of the simplest and least invasive fertility treatments available, and unlike most other procedures, it can be done at home without medical assistance or performed in a clinic setting.
How ICI Works
The procedure itself is straightforward. Sperm, either from a partner or a donor, is drawn into a small needleless syringe. The tip of the syringe is inserted into the vagina and positioned near the cervix, where the sperm is slowly deposited. From there, the sperm travels through the cervix and into the uterus on its own, much like it would during natural conception.
Timing is everything. You need to inseminate close to when you ovulate, since the egg is only available for fertilization for roughly 24 hours after it’s released. The egg typically releases about 35 to 36 hours after your body’s luteinizing hormone (LH) surge, which is what ovulation predictor kits detect. Research published in Fertility and Sterility found that insemination timed 36 to 40 hours after an LH surge resulted in pregnancy and live birth rates about three times higher than insemination done only 12 to 16 hours after the surge.
After insemination, staying in a comfortable lying position for a period of time can help. Most kits and clinics recommend remaining still for at least 15 to 30 minutes.
ICI Sperm vs. IUI Sperm
When you’re shopping for donor sperm or reading about fertility treatments, you’ll see sperm labeled as either “ICI-ready” or “IUI-ready.” The distinction matters because the two procedures have different requirements.
ICI sperm is unwashed, meaning it still contains the seminal fluid that naturally surrounds sperm. This is fine for ICI because the sperm is placed at the cervix, not inside the uterus. The cervix acts as a natural filter. IUI sperm, by contrast, has been “washed,” a lab process that separates the sperm cells from the seminal fluid, proteins, and other components. This washing step is required for IUI because inserting unwashed semen directly into the uterus can cause cramping, infection, or allergic reactions.
You can use IUI-ready (washed) sperm for an ICI procedure, but you cannot safely use ICI-ready (unwashed) sperm for IUI. If you’re purchasing donor sperm from a cryobank and aren’t sure which procedure you’ll use, IUI-ready vials give you more flexibility.
Who Uses ICI
ICI appeals to a wide range of people. Single women and same-sex couples frequently choose it when using donor sperm because it’s accessible and doesn’t require a clinic visit. Couples dealing with unexplained infertility or low sperm count also use ICI, since placing sperm closer to the cervix shortens the distance sperm need to travel and can improve the odds of fertilization.
It can also be a reasonable option for women with ovulation irregularities or a history of pelvic surgery that might interfere with natural conception. Because ICI is less invasive and far less expensive than other fertility treatments, many people try it as a first step before moving on to more intensive procedures like IUI or IVF.
How ICI Differs From IUI
The core difference is placement. ICI deposits sperm at the cervix. IUI bypasses the cervix entirely and places washed sperm directly inside the uterus using a thin catheter threaded through the cervical opening. Because IUI puts sperm closer to the fallopian tubes where fertilization happens, it generally has higher per-cycle success rates, especially when combined with ovulation-stimulating medications.
IUI also involves more clinical steps. A healthcare provider performs the procedure, and the sperm must be washed and prepared beforehand. ICI, on the other hand, requires minimal equipment and no mandatory medical involvement. That simplicity is its biggest advantage for people who want to try insemination privately at home.
Success Rates
ICI success rates vary depending on age, sperm quality, and whether ovulation-stimulating medications are used. In general, ICI has lower per-cycle success rates than IUI. A large study looking at over 1,100 insemination cycles found an overall pregnancy rate of about 19% per cycle across all ages, with a live birth rate of roughly 13% per cycle. For women aged 40 to 42, the live birth rate dropped to about 10% per cycle.
Ovulation medications make a noticeable difference. In the same study, unstimulated cycles had a live birth rate of around 5%, while cycles using hormone medications reached 8% to 12.5% depending on the specific protocol. Most people attempt several cycles before achieving pregnancy, so it helps to think of ICI as a cumulative effort rather than a one-shot procedure.
What It Costs
ICI is dramatically cheaper than other fertility treatments. If you’re using a partner’s sperm at home, the supplies (a syringe, collection cup, and ovulation predictor kit) typically run $10 to $50 per attempt. That makes it one of the most affordable fertility interventions available.
Using donor sperm increases the cost. A single vial of donor sperm generally costs $600 to $1,300, with an additional $200 to $400 for shipping and storage. That puts a full at-home ICI cycle with donor sperm in the range of $800 to $1,700. By comparison, a single IUI cycle with donor sperm typically costs $3,000 to $5,000 or more when you factor in the procedure, sperm washing, monitoring, and the donor sperm itself.
Doing ICI at Home
Home insemination kits are widely available online and contain the basics: a needleless syringe, a sperm collection container, and instructions. If you’re using frozen donor sperm, you’ll also need to arrange delivery from a cryobank and follow their thawing instructions carefully, since improper thawing can damage sperm and reduce viability.
The practical steps are simple. Track your cycle with ovulation predictor kits so you can pinpoint your fertile window. When the time is right, collect or thaw the sperm, draw it into the syringe, position the syringe tip near your cervix, and inject slowly. Afterward, lie still in a comfortable position for a while. A private, relaxed environment helps, both for comfort and to reduce stress that can accompany the process.
While the at-home approach works well for many people, doing ICI in a clinic gives you the added benefit of ultrasound monitoring to confirm ovulation timing and professional guidance on technique. If you’ve tried several home cycles without success, a clinical setting may help identify whether timing, sperm quality, or another factor needs adjusting.