Definition of Donor insemination

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Donor insemination: 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 from a man other than the woman's mate directly into the uterus. The purpose of this procedure is to achieve fertilization and pregnancy. Donor insemination is also called artificial insemination by donor (AID) or heterologous insemination. It is to be distinguished from artificial insemination by husband (AIH) which is homologous insemination.