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King's College London - Health: More than a medical matter

Glossary

Egg cell

A mature female reproductive cell, which contains half the genetic information needed to make a new human. Also known as an oocyte.



Articles using this Glossary Item

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Ethical principles and the HFEA's donation review

- by Professor Stephen Wilkinson

At a public meeting on 19 October, the Human Fertilisation and Embryology Authority (HFEA) decided to move to a 'flat rate' system of monetary compensation for egg donors. The HFEA also decided to leave the regulations governing egg sharing substantially unchanged. Critics have already raised concerns about the quality of the discussion at the meeting, I want to look at a quite different issue: the use made by the HFEA of the idea of 'ethical principles'... [Read More]

Italian court lifts ban on donated sperm and eggs in fertility treatment

14 April 2014 - by Siobhan Chan

Italy's constitutional court has lifted a ban on the use of donor sperm and eggs for assisted conception, saying it was 'unconstitutional'... [Read More]

Chemotherapy patient challenges NHS fertility preservation funding refusal

14 April 2014 - by Cait McDonagh

A Crohn's disease patient is challenging a decision to refuse her funding for her eggs to be cryopreserved before she undergoes a bone marrow transplant and chemotherapy... [Read More]

Knowing your donor: How can we best recruit and keep donors?

07 April 2014 - by Dr Ruth Curson

Sadly, there are currently not enough egg and sperm donors in the UK to meet our needs. Recipients are now seeking alternative routes to find donors, either by travelling abroad or from unregulated internet sites: both with the potential for unwanted consequences... [Read More]

Judge urges birth and genetic mothers to settle their custody battle

31 March 2014 - by Ari Haque

The UK's Court of Appeal has urged two women who were in a same sex relationship to reach an agreement over the custody of their five-year-old twins... [Read More]

Embryonic stem cell production breakthrough achieved in mice

31 March 2014 - by Dr Lanay Tierney

A technique to generate mouse embryonic stem cells could, if repeated in human cells, improve access to stem cells by using fertilised eggs that would previously have been discarded... [Read More]

Miscarriage more likely when fewer eggs produced

24 March 2014 - by Simon Hazelwood-Smith

A study has found that women who produce fewer eggs during IVF treatment may have an increased risk of miscarriage.... [Read More]

Is mitochondrial donation 'genetic engineering'?

24 March 2014 - by Professor Janna Thompson

MP Jacob Rees-Mogg recently implied that mitochondrial transfer is akin to eugenics, but it is a way of combating debilitating ailments rather than producing 'perfect' human beings... [Read More]

Conservative MP says mitochondrial donation will produce 'genetically modified children'

17 March 2014 - by Dr Louisa Petchey

The Conservative MP for North East Somerset, Jacob Rees-Mogg, has said that mitochondrial donation will produce 'genetically modified children' with 'three parents', and was 'effectively cloning'... [Read More]

Ethics around womb transplantation

10 March 2014 - by Dr Kevin Grimes

Ethics is about communication, and this is true when looking back on our ethical discussion of womb transplantation... [Read More]

Embryo transfer for four women after womb transplants

10 March 2014 - by Barbara Czub

Four women who had womb transplants have had embryos transferred in an attempt to become pregnant... [Read More]

FDA Advisory Committee weighs up mitochondrial replacement

03 March 2014 - by Chee Hoe Low

The USA's Food and Drug Administration (FDA) is considering whether to allow human clinical trials of mitochondrial replacement, an IVF technique that uses gametes from three people... [Read More]

Children of older men have greater risk of mental illness

03 March 2014 - by Barbara Czub

Children born to fathers who are 45 years old or older are more likely to develop serious mental illness than children born to fathers in their early twenties, a large-scale study comparing siblings suggests... [Read More]

Mitochondrial transfer and three-person IVF: What's in a name?

24 February 2014 - by Dr Roger Sturmey

The description of mitochondrial transfer as 'three-person IVF' may conjure up some unnerving perceptions of the consequences, and may be met in the public arena with discomfort, but it's worth considering the fundamental aspects of this approach... [Read More]

Questions relating to 'mitochondrial replacement'

10 February 2014 - by Professor Calum MacKellar

Those who are concerned about mitochondrial replacement techniques do not have any less compassion than those who believe that such procedures should be introduced: they just remain to be convinced that all the biological risks have been sufficiently addressed... [Read More]

Irish Supreme Court considers surrogacy parenthood appeal

10 February 2014 - by Ayesha Ahmad

The Irish Supreme Court has heard an appeal over surrogacy parenthood, reserving its decision for a later date.... [Read More]

How to make a mouse from scratch: a few drops of blood, one pinch of salt, and a drop of vinegar…

03 February 2014 - by Dr Dusko Ilic

This apparent witch's recipe is how a group of Japanese scientists have generated new mice: a remarkable finding that proves that true greatness lies in simplicity... [Read More]

Response to Professor Calum MacKellar

20 January 2014 - by Professor Sandy Raeburn

Having worked with families affected by genetic disorders for more than 40 years, both in the UK (with its multi-faith society) and in the Sultanate of Oman (where the majority are Muslim but other religions are allowed), I have seen and looked after many people with hereditary illnesses, including those with disabling mitochondrial conditions.... [Read More]

The sperm harvest

13 January 2014 - by Dr Anna Smajdor

Dilemmas relating to the perimortem retrieval and posthumous use of sperm have featured in a number of recent BioNews articles. These cases show us how variable attitudes toward consent may be in different countries... [Read More]

Birth complications more likely in IVF babies

13 January 2014 - by Siobhan Chan

Babies born after fertility treatment could be twice as likely to suffer from complications such as low birth weight, premature birth and neonatal death, a large-scale study has found... [Read More]

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Events using this Glossary Item

 

Preparation for Donor Conception Parenthood
24 April 2010 10am-6pm London, UK
A workshop for lesbians/single women contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
12 April 2010 10am-4pm London, UK
A workshop for those contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
06 March 2010 10am-6pm Manchester, UK
A workshop for those contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
16 January 2010 10am-4pm London, UK
A workshop for those contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
21 November 2009 10am-6pm Midlands, UK
A workshop for those contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
07 November 2009 10am-6pm London, UK
A workshop for lesbians/single women contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
03 October 2009 10am-4pm London, UK
A workshop for those contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Preparation for Donor Conception Parenthood
05 September 2009 10am-6pm Manchester, UK
A workshop for those contemplating use of egg, sperm or embryo donation or currently having treatment... [Read More]
Listening to Donors
22 July 2009 5pm-7.30pm The Hatton, 51-53 Hatton Garden, London EC1N 8HN, UK
A workshop for current, past or prospective sperm, egg or embryo donors... [Read More]


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