Down Syndrome in Children Directory
Down syndrome is caused by a chromosomal error. Children with Down syndrome may also have other health problems. Follow the links below to find WebMD's comprehensive coverage about Down syndrome.
Pregnancy and Chorionic Villus Sampling
WebMD explains chorionic villus sampling (CVS), a prenatal test that helps detect birth defects, genetic diseases, and other problems early in a pregnancy.
Amniocentesis can give doctors essential information about the health of your fetus. Learn more from WebMD about the risks and benefits of this procedure.
Pregnancy and the Quad Marker Screen
WebMD tells you why you might choose to have a quad marker screen, a blood test used during pregnancy that may reveal birth defects in the baby.
What Is Down Syndrome?
People with Down syndrome have an extra chromosome that impacts how a person looks and their ability to think, learn, and reason. Find out the type, causes, and kinds of effects it can have.