| REVIEW ARTICLE |
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| Year : 2018 | Volume
: 1
| Issue : 1 | Page : 3-8 |
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Ovarian tissue cryopreservation and transplantation using thawed ovarian cortex for fertility preservation
Nao Suzuki
Department of Obstetrics and Gynecology, St. Marianna University School of Medicine, Kawasaki, Japan
Correspondence Address:
Nao Suzuki
Department of Obstetrics and Gynecology, St. Marianna University School of Medicine, 2-16-1 Sugao, Miyamae, Kawasaki, Kanagawa 216-8511
Japan
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/tofj.tofj_2_17
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In the late 1990s, ovarian tissue cryopreservation was first employed clinically to preserve fertility in female children, adolescents, and young adults with cancer in Europe and the United States. In 2004, Donnez reported the first live birth after ovarian tissue cryopreservation and transplantation. Ovarian tissue cryopreservation can be employed when ova cannot be collected by intravaginal procedures, when induction of ovulation is impossible in girls before menarche, and when cancer therapy must be initiated promptly and there is insufficient time to induce ovulation. In patients with some cancers (e.g., ovarian cancer and leukemia), tumor cells can potentially infiltrate the ovaries and could be transferred by transplanting thawed ovarian tissue so ovarian tissue cryopreservation is contraindicated. Recently, live birth has been achieved up to 30% of women undergoing transplantation of cryopreserved and thawed ovarian tissue. If ovarian tissue contains more primordial follicles (as in children/adolescents), the likelihood of live birth after transplantation is higher. Therefore, the patient's age should also be considered. However, even a woman who underwent ovarian tissue cryopreservation in her late 30s has achieved live birth. Since initial clinical application of ovarian tissue cryopreservation and transplantation in 1997, approximately 100 live births have been reported, including 3 in Japan. This article reviews the current status of ovarian tissue cryopreservation and transplantation of thawed ovarian cortex for fertility preservation.
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