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Trisomy

The presence of an extra chromosome, resulting in a total of three chromosomes of a particular type instead of a pair - for example, trisomy 21, which causes Down syndrome.

Articles using this Glossary Item

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Preimplantation genetic screening: unvalidated methods discard healthy embryos 11 December 2017 Comment
Illumina wins NIPT patent case in UK High Court 27 November 2017 News
New prenatal DNA test for Down's syndrome is more accurate and cheaper 13 November 2017 News
Screen all chromosomes in prenatal embryo testing, says study 4 September 2017 News
Video Review: Prenatal Genetic Testing – Making an Informed Decision 28 November 2016 Review
NIPT or not to NIPT – is that really the question? 15 August 2016 Comment
Event Review: Genetic Screening and Respect for Persons 18 July 2016 Review
Baby steps forward, baby steps back: towards a more liberal Swiss regulation of reproduction 7 September 2015 Comment
Down's syndrome blood test more accurate than existing screening 13 April 2015 News
Offer screening in pregnancy for chromosome disorders earlier, say experts 11 August 2014 News
Non-invasive prenatal test as good as invasive methods, say scientists 14 January 2013 News
Non-invasive prenatal test for at-risk mothers recommended by US medical society 26 November 2012 News
Whole fetal genome sequenced for the first time 11 June 2012 News
Safer prenatal test for Down's syndrome launched in US 24 October 2011 News
Couple request surrogate mum to abort over disability 11 October 2010 News
Genetic disorder death parents may give up court fight 14 December 2009 News
Progress in free fetal DNA (ffDNA)-based prenatal tests 15 September 2008 Comment
Early genetic events in Down's syndrome revealed 8 September 2008 News
New egg test may increase IVF success rate 20 June 2006 News
Concern over proposed prenatal screening changes 30 June 2005 News
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Events using this Glossary Item

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