WebMD -- Jan. 11, 2011 -- A new blood test may help pregnant women who are at high risk for having a baby with Down syndrome avoid more invasive tests such as amniocentesis and chronic villus sampling (CVS).
WebMD -- Jan. 11, 2011 -- A new blood test may help pregnant women who are at high risk for having a baby with Down syndrome avoid more invasive tests such as amniocentesis and chronic villus sampling (CVS).
