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Egg freezing set to become more common?

9 January 2006
By BioNews
Appeared in BioNews 340

A UK fertility expert has said that within ten years, a significant proportion of young British women will be cryopreserving their eggs in order to stave off infertility while delaying motherhood. Dr Simon Fishel, director of the Centre for Assisted Reproduction (CARE) in Nottingham, said at a media briefing at the Royal Institution in London that the structure of society will inevitably lead to women wanting to put off becoming mothers while they establish their careers or wait to find the right partner and, unless society changes, demand for egg freezing will increase.

Dr Fishel believes that as egg freezing techniques become more efficient, demand from women will increase. 'When we get to the stage where egg freezing becomes safe, then there will be a significant proportion of women who will have their eggs frozen at a younger age and pursue the lifestyle they want', he said. He went on to say that he thinks this 'paradigm shift will come probably within ten years, maybe sooner'.

Egg freezing has proved to be successful in a small number of cases, but is less effective than freezing sperm as eggs cells are much larger and contain more water - so when they freeze, ice crystals can form that can damage the cell. Because of the low success rate, egg freezing has so far been used mainly for women undergoing treatments that can affect their fertility. But if success rates increase, more women may opt to freeze their eggs for 'social' reasons. However, Virginia Bolton, consultant clinical embryologist at Guy's Hospital, London, said that people should be careful not to assume that women would do this for purely selfish reasons. 'More and more women', she said, 'are finding themselves in their late thirties and without a partner, not delaying motherhood because of a career. That's when they start to panic and worry about their biological clocks. This is not about whimsical, selfish women who want to have life entirely on their terms'.

In the UK, the first baby to be born from a previously frozen egg was as late as 2002 - having only been made legal in 2000 - and only about 200 such babies have been born so far worldwide. But fertility experts predict that their freezing techniques will get better and better as time goes on. 'When we get to the stage when freezing eggs becomes safe and efficient, there will be a significant proportion of women who are going to have their eggs frozen at a younger age', said Dr Fishel. Last year, for example, Japanese, Danish and US scientists published results of a study that showed vast improvements in the success rate of freezing and then thawing eggs. However, not all fertility experts believe that the procedure is safe in the longer term. Peter Braude, director of the centre for preimplantation genetic diagnosis at Guy's Hospital, London, said that 'we don't really know' the long-term effects of freezing either eggs or embryos.

Clinics prepare for 'lifestyle' fertility treatment
The Guardian |  6 January 2006
Frozen eggs will allow women to put family life on ice
The Times |  6 January 2006
How career women will put motherhood on ice
The Daily Telegraph |  6 January 2006
23 October 2007 - by Dr Kirsty Horsey 
US fertility doctors have issued new guidelines recommending that women should not be able to freeze their eggs if there are no health indications for doing so. Women who are worried about not finding the right partner or who deliberately delay having children should not be...
19 June 2006 - by Dr Kirsty Horsey 
BioNews reporting from ESHRE conference, Prague (sponsored by Planer cryoTechnology). By Dr Kirsty Horsey: Japanese scientists have presented research at the annual conference of the European Society of Human Reproduction and Embryology (ESHRE) in Prague, Czech Republic, today, suggesting that the inequality between men and...
13 October 2005 - by BioNews 
A British woman has given birth to the country's first 'frozen egg' twins, it has been revealed. Margaret McNamee gave birth to twin girls Anna and Isabelle Fahey last month, following fertility treatment at the Midland Fertility Services (MFS) clinic in Walsall. The couple originally had IVF treatment to conceive...
10 October 2005 - by BioNews 
A new technique for freezing human eggs increases the pregnancy rate per embryo transferred to 34 per cent, scientists report. A research team based in Japan, Denmark and the US, 'vitrified' the eggs on the surface of a fine plastic strip before thawing and fertilising them using intracytoplasmic sperm injection...
19 September 2005 - by BioNews 
An editorial by three London-based senior clinicians in the British Medical Journal (BMJ) warns women about 'leaving it too late' to start a family. Susan Bewley, consultant obstetrician at Guy's and St Thomas'; Melanie Davies, consultant obstetrician and gynaecologist at the Elizabeth Garrett Anderson Hospital at University College Hospital and...
4 May 2005 - by BioNews 
A British woman is expecting the country's first 'frozen egg' twins, it was revealed last week. The 36-year-old woman is said to be five months pregnant, following the use of fertility treatments that included the freezing of one of her eggs. Doctors at the West Midlands-based Midland Fertility Services...
29 November 2004 - by BioNews 
The UK's first 'human egg bank' is set to open this week, according to an article published in the Mail on Sunday newspaper. It is said that the bank will store and offer for sale 'more than 1500 frozen eggs', which 'infertile couples can buy for their hereditary characteristics such...
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