The sperm are placed inside your uterus, so they are closer to the site of fertilization. IUI bypasses many problems that take place in the vagina or cervix, such as an incompatibility between the sperm and the cervical mucus. IUI also improves delivery of the sperm to the egg, especially when the sperm count is low or the sperm do not move well.
If you do not become pregnant, you may have to repeat the procedure over your next few cycles. Further evaluation may be needed if you do not become pregnant after several cycles.
You should abstain from sex for 1 to 2 days before the procedure. If you are not ovulating regularly, your doctor may prescribe medication to induce ovulation. Check with your doctor to see if there are any other recommendations specific to you.
You will know in about 2 weeks — if you become pregnant, you should miss your next period. A blood test will confirm whether or not you are pregnant.