Chorionic Villus Sampling (CVS) What To Think About - Normal
results from chorionic villus sampling (CVS) do not guarantee
that your baby will be healthy. CVS can't find Reference neural
tube defects Opens New Window. - Amniocentesis (which is usually
done later in the pregnancy than CVS) can also be used to find
other diseases of the fetus, such as neural tube defects. If CVS
does not show clear results, amniocentesis may need to be done.
- CVS is done if you are at high risk for having a baby with a
chromosomal birth defect (such as Down syndrome) or a family
genetic disease (such as Tay-Sachs disease or hemophilia). The
benefits of this test often outweigh the risks. Genetic diseases
and birth defects can be found earlier in pregnancy by CVS than
by amniocentesis. This allows you to make an earlier decision
whether to continue or end the pregnancy. - The results of CVS
may vary depending on how the sample was taken. - If you have a
vaginal infection (such as a Reference vaginal yeast infection
Opens New Wi