DNA screening more accurately identified likely cases of genetic disorders caused by extra chromosomes, like Down syndrome, in a study of pregnant women at low risk for problems.

DNA screening more accurately identified likely cases of genetic disorders caused by extra chromosomes, like Down syndrome, in a study of pregnant women at low risk for problems.
Randi Lynn Beach/For the Times
Copyright © 2017, Los Angeles Times
EDITION: California | U.S. & World
65°