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Glossary

Fertilisation

The fusion of male and female gametes to form a zygote.



Articles using this Glossary Item

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Old drugs: new eggs?

07 November 2016 - by Bethany Muller and Dr Roger Sturmey

Ten years ago, the claim that treatment with cancer drugs can 'grow new eggs' would have been met with incredulity. But a recent study has raised the possibility that ovarian stem cells may be capable of providing new eggs in later life... [Read More]

Frozen Assets? Preserving Sperm, Eggs and Embryos

31 October 2016 - by Sarah Norcross

The Progress Educational Trust's event on preserving fertility was held in Edinburgh on 25 October... [Read More]

Functional mouse eggs made from artificial stem cells

24 October 2016 - by Dr Katie Howe

Scientists in Japan are the first to have created live mouse pups from eggs that were made from stem cells... [Read More]

High stress hormones may predict lower IVF success rate

24 October 2016 - by Nina Chohan

A study has found that women with higher levels of the 'stress hormone' cortisol in their hair are less likely to conceive through IVF than women with lower levels of the hormone... [Read More]

Mitochondrial donation technique used in Ukraine, doctors claim

17 October 2016 - by Ayala Ochert

Two women in the Ukraine are pregnant with babies conceived through mitochondrial donation as a treatment for infertility, according to a report in New Scientist... [Read More]

Boys born through ICSI have lower sperm counts

10 October 2016 - by Rikita Patel

The first generation of men born through intracytoplasmic sperm injection (ICSI) have lower sperm counts, according to a small study... [Read More]

World's first mitochondrial donation baby born

03 October 2016 - by Dr Julia Hill

In a world first, the birth of a baby boy who was conceived using mitochondrial donation has been reported... [Read More]

Healthy mice created from eggs and sperm without conventional fertilisation

19 September 2016 - by Paul Waldron

Unfertilised mouse egg cells that have been made to divide can develop into healthy offspring by the injection of sperm, according to a new study... [Read More]

US fertility doctor accused of impregnating patients with his own sperm

19 September 2016 - by Annabel Slater

A retired fertility doctor in the US has been accused of using his own sperm to fertilise the eggs of patients at a fertility clinic... [Read More]

Mitochondrial donation case study finally published after 13 years

22 August 2016 - by Dr Özge Özkaya

Chinese researchers say an IVF technique called pronuclear transfer can safely produce a viable pregnancy... [Read More]

A victory for consent – but what about the welfare of the child?

11 July 2016 - by Kriss Fearon

A couple whose daughter died of cancer, leaving frozen eggs in storage, has recently won the right to have their request for export reconsidered by the HFEA. There are a number of troubling features of the case which deserve proper scrutiny... [Read More]

Mitochondrial and nuclear DNA mismatch may impact ageing

11 July 2016 - by Dr Julia Hill

The interaction between mitochondrial and nuclear DNA may have implications for health, metabolism and ageing, according to a new study... [Read More]

Virus linked to unexplained infertility in women

11 July 2016 - by Dr Lanay Tierney

A little-known virus has been found in the uteruses of around half of women with unexplained infertility, a study has found... [Read More]

Smoking damages sperm through inflammation

04 July 2016 - by Lone Hørlyck

A study of smokers has found smoking damages their sperm, including their DNA and mitochondria, by triggering inflammatory processes in their semen... [Read More]

Sperm self-destruction may lie behind maternal mitochondrial inheritance

04 July 2016 - by Dr Katie Howe

Researchers have identified a gene that, when activated, causes mitochondria inherited from sperm to be destroyed shortly after fertilisation... [Read More]

Mitochondrial donation is safe, study suggests

13 June 2016 - by Dr Özge Özkaya

An extensive study examining human embryos created using mitochondrial donation has demonstrated that the technique does not adversely affect embryo development... [Read More]

Culturing a human embryo for 14 days – what have we learned?

16 May 2016 - by Dr Helen O'Neill

Species-specific differences in terms of developmental timing and molecular expression patterns have restricted our true understanding of early human development... [Read More]

Sunscreens may interfere with sperm function

11 April 2016 - by Arit Udoh

The ultraviolet-filtering ingredients in sunscreen products interfere with the normal function of human sperm when applied to a sperm-containing solution in the lab... [Read More]

Lab-made sperm used to breed healthy mice

29 February 2016 - by Helen Robertson

Scientists in China have used stem cells to create rudimentary sperm that successfully fertilised mouse eggs to produce healthy offspring... [Read More]

Mother wanting to use deceased daughter's eggs gets permission to appeal

29 February 2016 - by Antony Blackburn-Starza

A woman who is in a legal bid to use her deceased daughter's eggs has been given permission to take her case to the Court of Appeal... [Read More]

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Events using this Glossary Item

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