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Safer, More Accurate Prenatal Down Syndrome Test Options
Daemon
Posted: Sunday, June 9, 2013 12:00:00 AM
Rank: Advanced Member

Joined: 3/7/2009
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Safer, More Accurate Prenatal Down Syndrome Test

Currently, definitive tests for Down syndrome in fetuses—chorionic villus sampling (CVS) and amniocentesis—are invasive and somewhat risky, carrying a one in 100 risk of miscarriage. Existing non-invasive preliminary tests are somewhat imprecise and call for further testing in 3 to 5 percent of pregnancies. By contrast, a simple new blood test that analyzes fetal DNA in maternal blood can detect whether a fetus has Down syndrome with a high degree of certainty and could reduce the need for these invasive procedures. More...
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