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Published online 9 March 2004 | Nature | doi:10.1038/news040308-2
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Embryo created using frozen ovary
Resurrected tissue offers fertility hope to cancer patients.
US doctors have created a human embryo from a woman's ovarian tissue after it was frozen for six years and then grafted on to her stomach.
The technique is a step towards helping female cancer patients bypass infertility caused by harsh chemotherapy and radiotherapy, and may help delay natural menopause in other women, says lead researcher Kutluk Oktay of the Center for Reproductive Medicine and Infertility, part of the Weill Medical College of Cornell University and New York-Presbyterian Hospital.
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