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Ovarian transplantation: First baby is born after a new technique
Date:6/29/2009

researchers have so far utilised this technique with two patients who had been treated for cancer and had their ovaries frozen. In addition to the first patient, treated for sickle cell anaemia, the second patient had been treated for periarteritis nodosa, an inflammation of medium-sized arteries, which become swollen and damaged from attack by rogue immune cells.

"She suffered menopause for eight and a half years before transplantation," said Dr. Piver. "But after transplanting half of the frozen ovary, she recovered spontaneous ovulation in four months. Her right fallopian tube had been destroyed by the ovarian retrieval, and the function of the ovary and hence the chances of pregnancy are limited in time. Hence we decided to collect the highest number of eggs we could, and carry out an IVF procedure on this patient.

"Six months after the operation, we transferred two blastocysts. A total of 22 oocytes were retrieved and produced 16 embryos, which in turn produced seven blastocysts. Unfortunately the first time round this patient developed an ectopic pregnancy, but she is now pregnant again."

The technique was developed by Dr. Piver and his team, he told the conference. "This is the first time that a pregnancy has been obtained after a ten year gap between ovarian cryopreservation and grafting. We believe that it represents a considerable advance on the methods of ovarian transplantation used until now, not least because we are able to obtain large numbers of oocytes. We hope that it will enable more young patients who have been cured of cancer to regain their reproductive health and become pregnant with their own children," he said.


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Contact: Mary Rice
mary@mrcommunication.org
European Society for Human Reproduction and Embryology
Source:Eurekalert

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