Frozen Ovarian Tissue Helps Cancer Patient Give Birth To A Healthy Baby In U.K

by Dr. Meenakshy Varier on  July 15, 2016 at 4:04 PM Education News
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A 33 year old woman from Edinburg has given birth to a healthy baby boy using her ovarian tissue that was frozen in liquid nitrogen for over a decade. The woman was diagnosed with Wilms' tumor, a rare form of kidney cancer 11 years ago when she was 21 years old and had to undergo sessions of chemotherapy and radiotherapy.
Frozen Ovarian Tissue Helps Cancer Patient Give Birth To A Healthy Baby In U.K
Frozen Ovarian Tissue Helps Cancer Patient Give Birth To A Healthy Baby In U.K

Chemotherapy and radiotherapy are known to have serious side effects on reproductive organs and can render patients infertile in later life. At the time of the patient's treatment, freezing tissue from reproductive organs was new and experimental and there was no guarantee of success. The sample was taken after one session of chemotherapy was re-implanted onto the patient's damaged ovary last year. This caused the ovary to come back to life and the patient was able to conceive naturally, resulting in the birth of her son.

The patient explained ,"When I had the initial procedure to remove my ovarian tissue, it was very new and experimental. There was no guarantee that it would work and while I kept the possibility in the back of my mind, my husband and I never pinned our hopes on it being successful. It was hard to imagine how well it could work, given that my tissue had been stored for such a long time and I had already had one round of chemotherapy before it was removed." She added "We never thought it would be possible and we are just astonished and overjoyed."

This medical triumph has now given hope to thousands of young people who undergo gruelling bouts of cancer treatment each year. The University of Edinburgh, which has led the research, announced the procedure is now open to all NHS patients. By removing healthy tissue from the organs before treatment, patients are given a chance of becoming parents in the future.

Prof Richard Anderson, Elsie Inglis chair of clinical reproductive science, MRC Centre for Reproductive Health at the University of Edinburgh, said the treatment has given hope to girls and young women undergoing treatment that may render them infertile.

Rob Thomson, of the Scottish National Blood Transfusion Service (SNBTS), which collaborated on the scheme said, "We are pleased to hear this wonderful news and are proud to have been part of this scientific breakthrough, a first in the UK."

The research has been predominantly focused on girls but the team has now developed a system which allows them to offer the service to boys too. Scientists are freezing tissue from the reproductive organs of boys and girls as young as one, which can then be re-implanted once they reach adulthood. The pioneering new service for pre-pubescent boys has been launched by Edinburgh University, in the hope that the tissue could be re-implanted when they reach adulthood. Restoring fertility in men is more difficult than in women as the testicular tissue of pre-pubescent boys is not yet able to produce sperm. Adult sperm cells can be frozen, but young boys currently have no way of preserving their fertility as their cells are too immature. One of the first patients is a five-year-old boy, who is currently receiving high dose chemotherapy and radiotherapy in Edinburgh after being diagnosed with a brain tumor. The tissue will be stored for up to 55 years.

Dr Rod Mitchell, clinical fellow at MRC Centre for Reproductive Health at the University of Edinburgh, said the team recently developed a service to store testicular tissue from boys as young as one who are at risk of infertility as a result of cancer treatment. That process is still in the experimental stage. But the option to store tissue combined with research aimed at developing methods to restore fertility, offers real hope of fatherhood for these patients.

The university worked in collaboration with the Scottish National Blood Transfusion Service on the research, which was funded by the European Union, the Medical Research Council, the Wellcome Trust and the charity Children with Cancer.

Source: Medindia

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