Both CVS & Amniocentesis are invasive prenatal tests that can help you in identifying various chromosomal and genetic disorders. These two prenatal tests are preferred when there is an increased risk that your baby may have diseases or disorders. There is some common reason of why your baby has genetic disorders or birth defects:

• If you are 35 years of age or older, then your baby may be affected by any kind of chromosomal abnormality including Down syndrome.
• The previous screening test showed that your baby is at risk.
• You have had a child with Spina Bifida, Down syndrome, or other disorders.
• In case, if you and your partner is a known carrier of any genetic disorder such as Cystic Fibrosis.

The above are the main reasons for having an Invasive Prenatal Testing.

Amniocentesis can detect certain neural tube defects such as Spina Bifida, and Anencephaly. This test is considered the most accurate way to determine the baby’s gender before birth. It is very rare of using the amniocentesis prenatal testing in the third trimester. It can also determine, are baby’s lungs mature enough for delivery.

CVS is very useful in identifying chromosomal problems such as Down syndrome, and also other genetic disorders such as Cystic Fibrosis. Tay-Sachs diseases, and Sickle Cell Anemia. It can also identify disorders that are linked to one sex such as Muscular Dystrophy. But, CVS prenatal tests do no detect open neural tube defects such as Spina Bifida.

If you are confused about which prenatal test is important for you then you can ask Prenatal DNA test Atlanta professionals for assistance. It is important to discuss with professions before choosing any DNA testing.