Definition of Insemination, artificial

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Insemination, artificial: A procedure in which a fine catheter (tube) is inserted through the cervix (the natural opening of the uterus) into the uterus (the womb) to deposit a sperm sample directly into the uterus. The purpose of this relatively simple procedure is to achieve fertilization and pregnancy. Artificial insemination is also called intrauterine insemination (IUI).