Government releases model of best practice for Down

16 May 2005

The Department of Health has published a model of best practice for the provision of Down's Syndrome screening services by the NHS, which proposes that screening tests should deliver a detection rate of at least 60% (with a false positive rate of 5% or less) by 2004/5, and a detection rate of at least 75% (with a false positive rate of 3% or less) by April 2007. These new benchmarks have been put forward by the UK National Screening Committee (NSC) as a reaction to recent evidence that rates of loss of unaffected fetuses can be dramatically reduced with improved antenatal screening tests (see the Heath Technology Assessment Programme report). Women who receive positive screening results for Down

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