Intrauterine insemination (IUI) is a simple procedure in which a slender tube is used to place sperm into the uterus around the time of ovulation. It is often recommended for patients suffering from low sperm count, low motility, sperm/mucus incompatibility or other medical conditions.

Inseminations are performed after monitoring ovulation patterns with ovulation predictor kits. Intrauterine insemination may also be used in conjunction with ovulation induction. Frequently, couples find that it may take several cycles with inseminations for conception to occur.