NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,351 terms related to cancer and medicine.
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- oocyte cryopreservation
- listen (OH-oh-site KRY-oh-PREH-zer-VAY-shun)
- The process of freezing one or more unfertilized eggs (eggs that have not been combined with sperm) to save them for future use. The eggs are thawed and fertilized in the laboratory to make embryos that can be placed in a woman’s uterus. Oocyte cryopreservation is being studied as a type of fertility preservation. It may be useful for women with cancer who want to have children after having radiation therapy, chemotherapy, or certain types of surgery, which can cause infertility. Also called egg banking, egg cryopreservation, and egg freezing.