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Aneuploidy

An abnormal number of chromosomes, either too few or too many. Nearly all human body cells usually have a set of 46 chromosomes, while egg and sperm cells have 23.

Articles using this Glossary Item

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Improving sperm cell analysis: A new WHO manual 23 August 2021 Comment
NIPT may be less effective in twin pregnancies 26 July 2021 News
Fertilisation, the fourteen day rule, and beyond 7 June 2021 Comment
Genetics of the fetus and placenta control developmental abnormalities 10 May 2021 News
Human egg cells are often genetically abnormal 14 December 2020 News
Embryos with abnormal cells may be common and result in IVF success 20 July 2020 News
DNA crossovers drive healthy or abnormal sperm/egg cell division 8 June 2020 News
Book Review: The Dance of Life: Symmetry, cells and how we become human 9 March 2020 Review
What's the Truth about... 13 January 2020 Comment
'Rubber band' protein blamed for falling female fertility with age 25 November 2019 News
Artificial intelligence learns to identify good embryos for IVF 8 April 2019 News
Prenatal tests provide largest genetic study of Chinese people 8 October 2018 News
Genetic screening of embryos makes no difference to births 13 August 2018 News
DNA shed by embryos could offer non-invasive testing 5 July 2018 News
Model predicts chance of having normal embryo as women age 2 July 2018 News
Back to basics: Improve access to fertility care by subtracting the 'add-ons' 19 March 2018 Comment
ESHRE 2018: Past, present and future 8 January 2018 Comment
Preimplantation genetic screening: unvalidated methods discard healthy embryos 11 December 2017 Comment
Older eggs less fertile due to poor cell division 10 April 2017 News
Mitochondrial replacement therapy and the welfare of the child 17 October 2016 Comment
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Events using this Glossary Item

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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...