DNA Blood Test Could Be Used to Detect Down Syndrome in Fetuses

Published Jan. 14, 2011

Researchers said that a new DNA test using a pregnant woman’s blood can detect the presence of a duplicate copy of chromosome 21—which causes Down Syndrome—in the fetus and could cut rates of invasive tests among pregnant women by almost 98%. The lead researcher said more research is needed before the test can be used routinely in clinical practice.