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PETBioNewsGlossaryPGS (preimplantation genetic screening)

BioNews

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 conditions are returned to the woman's womb. Also known as PGT-A (Preimplantation Testing for Aneuploidy).

64 articles
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Reviews
17 September 2021 • 4 minutes read

TV Review: Fighting for Fertility

by Dr Elpida Fragouli

What does it take to make a family when natural conception is difficult or even impossible?..

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Reviews
22 January 2021 • 5 minutes read

Event Review: International IVF Initiative — My mosaic embryo

by Dr Valerie Shaikly

Session 46 was held online to discuss and share the best practice for understanding and communicating mosaicism...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
17 July 2020 • 2 minutes read

Embryos with abnormal cells may be common and result in IVF success

by Emma Lamb

Errors in the genetic material of embryonic cells following IVF are more common and less damaging in normal human development than previously thought...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Reviews
13 July 2020 • 3 minutes read

Podcast Review: SART Fertility Experts — What is IVF?

by Susan Tranfield-Thomas

'SART Fertility Experts' is an educational project that aims to inform prospective patients about the various options available, through a series of podcasts conducted by experts working in assisted conception, including reproductive endocrinologists, reproductive urologists, genetic counsellors and mental health professionals...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Comment
10 January 2020 • 7 minutes read

What's the Truth about...

by Dr Eleanor Taylor

The afternoon sitting of the Progress Educational Trust's annual conference 'Reality Check: A Realistic Look at Assisted Reproduction' began with an extended session entitled 'What's the Truth about'...

Image by Dr Christina Weis. © Christina Weis
Image by Dr Christina Weis. © Christina Weis
Comment
29 July 2019 • 4 minutes read

Sex selection by gay men using gestational surrogacy: a troubling trend in queer family-making?

by Dr Linda Layne

The gestational surrogacy memoirs of five European and American gay dads and one heterosexual single-father-by-choice suggest that sex selection for sons may be occurring...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
5 April 2019 • 2 minutes read

Artificial intelligence learns to identify good embryos for IVF

by Bethany Muller

Researchers have trained artificial intelligence software to grade human embryos with a high degree of accuracy...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
Comment
21 January 2019 • 4 minutes read

What is an 'add-on' and why does it matter?

by Dr Jane Stewart

The British Fertility Society along with a number of other professional associations and the Human Fertilisation and Embryology Authority published a joint document on the subject of IVF 'add-ons' last week...

Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
CC0 1.0
Image by Alan Handyside via the Wellcome Collection. Depicts a human egg soon after fertilisation, with the two parental pronuclei clearly visible.
News
10 August 2018 • 3 minutes read

Genetic screening of embryos makes no difference to births

by Charlott Repschläger

Pre-implantation genetic testing of embryos does not improve IVF birth rates in older women, found the largest study of its kind yet...

Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the output from a DNA sequencing machine.
CC BY 4.0
Image by Peter Artymiuk via the Wellcome Collection. Depicts the shadow of a DNA double helix, on a background that shows the fluorescent banding of the sequencing output from an automated DNA sequencing machine.
News
20 July 2018 • 2 minutes read

Gene therapy treats deadly Gaucher disease in the womb

by Isobel Steer

Gene therapy has successfully treated a disorder in mice while still inside the womb, according to a study published in Nature Medicine...

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