Subscribe to the BioNews newsletter for free

Login
Advanced Search

Search for
BioNews

Like the Progress Educational Trust on Facebook



Glossary

PGS (preimplantation genetic screening)

PGS (preimplantation genetic screening) is a test that can be carried out on IVF embryos, to ensure that only embryos with no obvious chromosome abnormalities are returned to the woman's womb.



Articles using this Glossary Item

 1/3      

Preimplantation genetic screening: unvalidated methods discard healthy embryos

11 December 2017 - by Norbert Gleicher

A seemingly brilliant hypothesis of preimplantation genetic screening arose in the 1990s when Dr Yuri Verlinsky proposed using polar body biopsies to detect chromosomal abnormalities in embryos prior to transfer in IVF... Healthy embryos are discarded by unvalidated PGS

New imaging technique could help pick embryos for IVF

04 September 2017 - by Anna Leida

A new imaging technique can help assess the quality of early-stage embryos... [Read More]

Mitochondrial replacement techniques, Mexico and the legal unknowns

24 April 2017 - by Dr César Palacios-González

It is not every day that we can examine the details of the first use of a new reproductive technology. But the first live birth of a baby following the use of a mitochondrial replacement technique (MRT) in IVF last year gives a window into just this. The case – with procedures carried out in both the US and Mexico – also raises legal questions... [Read More]

Podcast Review: Naked Genetics – Testing, testing

06 March 2017 - by Matthew Thomas

Dr Kat Arney leads a fascinating and wide-ranging discussion of genetic testing – from testing for cancer genes to whether your child's DNA can predict their future sporting ability... [Read More]

Benefits of IVF add-ons 'not based on evidence'

05 December 2016 - by Lucas Taylor

There is a lack of quality evidence on the benefits of almost all fertility clinic add-on treatments, a study published in the BMJ has suggested... [Read More]

TV Review: Panorama – Inside Britain's Fertility Business

05 December 2016 - by Dr Jane Currie

Panorama's investigation into the use of 'add-ons' in private fertility clinics is a novel mixture of undercover journalism and a high-quality systematic review of the clinical evidence... [Read More]

Book Review: Where Science and Ethics Meet – Dilemmas at the Frontiers of Medicine and Biology

21 November 2016 - by Cassandra Dighton

This introduction to ethics in medicine is no dreary textbook, but is a stimulating conversation starter and a welcome addition to any ethics bookshelf... [Read More]

Testing, Testing 1, 2, 3: PGS and PGD

26 September 2016 - by Dr Nicoletta Charolidi

There was a captivating debate around the emerging genetic choices, legal framework and ethical issues from the use of PGS (pre-implantation genetic screening) and PGD (pre-implantation genetic diagnosis) at this event produced by the Progress Educational Trust (PET)... [Read More]

TV Review – Fertility & Me

26 September 2016 - by Dr Kimberley Bryon-Dodd

The One Show's Alex Jones explores her own fertility and looks at the emotional and financial costs of IVF, while also examining the technological and medical advances that may help more people become parents in the future... [Read More]

Fertility specialists warn against unnecessary, expensive treatments

23 May 2016 - by Lone Hørlyck

A number of fertility specialists have raised concerns over private clinics offering expensive 'add-on' treatments to patients, sometimes without sufficient evidence of their effectiveness... [Read More]

IVF: the next generation – first UK baby born after DNA screening technique

09 May 2016 - by James Brooks

The UK's first baby resulting from an embryo that was screened using next-generation DNA sequencing has been born in Oxford... [Read More]

Reply to the signatories of the COGEN Consensus Statement

21 March 2016 - by Heidi Mertes, Sjoerd Repping & Guido de Wert

The cosignatories of the COGEN consensus statement attempt to refute our remarks and concerns about the increased use of preimplantation genetic screening by presenting the same low-level 'evidence' they continuously use to advocate the widespread adoption of PGS... [Read More]

Reply to Mertes, Repping and de Wert 'Stating the obvious: discarding embryos does not increase your chance of having a baby'

22 February 2016 - by The signatories of the COGEN Consensus Statement

It is clear from the reply of Mertes et al in BioNews 835 to the COGEN Consensus Statement on preimplanation genetic screening that some controversy still remains regarding the benefits of PGS... [Read More]

Stating the obvious: discarding embryos does not increase your chance of having a baby

18 January 2016 - by Heidi Mertes, Sjoerd Repping & Guido de Wert

Under the auspices of the Virtual Academy of Genetics, COGEN recently issued a 'consensus statement' on preimplantation genetic screening, based on a scientific meeting held in Paris last September... [Read More]

Mitochondrial DNA test improves IVF success rates

26 October 2015 - by Jessica Richardson

A test which measures mitochondrial DNA levels in the embryo could help increase IVF success rates, scientists claim... [Read More]

The real cost of infertility?

19 January 2015 - by Dr Kirsty Horsey

The fourth and final session of the Progress Educational Trust's (PET) annual conference was a single speaker session: Professor Lord Robert Winston, who was introduced and chaired by Jeremy Laurance... [Read More]

Beyond the harm threshold

26 August 2014 - by Dr Anna Smajdor

Underlying many controversies in reproductive technology is an assumption that there is a 'harm threshold' – a point at which a child would suffer so much that it would have been harmed by coming into existence. This idea has an intuitive appeal, but the questions it raises are very difficult to answer... [Read More]

BRCA and I

19 May 2014 - by Kerry Andrew

Ten years ago, aged just 24, I tested positive for a high-cancer-risk BRCA1 mutation. Six months later, I underwent a preventative double mastectomy with reconstructive surgery... [Read More]

First baby born from 'cheaper' gene sequencing of IVF embryos

08 July 2013 - by Siobhan Chan

A 'powerful' form of genome analysis could improve embryo selection for IVF, according to scientists who report that the first baby has been born from this method... [Read More]

IVF single embryo transfer performs well in birth rate study

13 May 2013 - by Dr Katie Howe

The transfer of one pre-screened embryo during IVF leads to birth rates equivalent to transferring two unscreened embryos, indicates new research from the USA.... [Read More]

 1/3      


Events using this Glossary Item

Testing, Testing 1, 2, 3: PGS and PGD
13 September 2016 6pm (registration), 6.30pm-8.30pm (discussion) Institute of Child Health, University College London, 30 Guilford Street, London WC1N 1EH
The Progress Educational Trust's FREE-to-attend event about testing and screening human embryos is taking place TOMORROW EVENING - book NOW. The event will be chaired by Dr Sue Avery, with speakers including Dr Tony Gordon, Dr Christine Patch, James Lawford Davies and Professor Michael Parker...
Reproductive Medicine: Causes and Treatment of Infertility
10 September 2009  Institute of Physics, 76 Portland Place, London W1B 1NT, UK
An event addressing current issues and latest developments in fertility, clinical embryology and reproductive biology...


Published by the Progress Educational Trust
Advertise your products and services HERE - click for further details

Good Fundraising Code

Become a Friend of PET HERE and give the Progress Educational Trust a regular donation