An introduction to what is Chorionic Villus Sampling (CVS)

Chorionic villus sampling (CVS) is a prenatal diagnostic test that can identify genetic and chromosomal abnormalities in a developing fetus. This procedure involves the removal of a small sample of tissue from the placenta, which is then analyzed for genetic information.

CVS can be performed as early as 11-13 weeks into a pregnancy, which is earlier than other prenatal diagnostic tests such as amniocentesis.

This can be advantageous for couples who are at a higher risk of having a child with genetic or chromosomal abnormalities and would like to know the results as soon as possible.

However, while CVS is an accurate and reliable test, it is an invasive procedure that carries some risks, including a small chance of miscarriage.

As with any medical procedure, it’s essential to understand the benefits, risks, and potential outcomes before deciding whether to undergo CVS.

Let us discuss several advantages of CVS procedure with some interesting statistics in this blog.

Interesting statistics about Chorionic villus sampling (CVS)

According to the American College of Obstetricians and Gynecologists (ACOG), CVS has a diagnostic sensitivity of up to 99% for detecting chromosomal abnormalities such as Down syndrome. Additionally, studies have shown that CVS carries a risk of a miscarriage of approximately 1 in 100 procedures.

Advantages of CVS – Chorionic Villus Sampling 

Some of the significant advantages of CVS are listed below:

1. Early detection

CVS can be performed as early as 11-13 weeks into a pregnancy, which is earlier than other prenatal diagnostic tests such as amniocentesis. This early detection can provide couples with more time to make informed decisions about their pregnancy.

2. High accuracy

CVS has a very high accuracy rate, with a diagnostic sensitivity of up to 99% for chromosomal abnormalities such as Down syndrome. This accuracy allows couples to make informed decisions about their pregnancy and to plan for the future.

3. Reduced anxiety

For couples who are at a higher risk of having a child with genetic or chromosomal abnormalities, the uncertainty can be stressful and cause anxiety. CVS can provide early and accurate diagnostic information, which can help reduce anxiety and provide a sense of relief.

4. Informed decision-making

The results of CVS can help couples make informed decisions about their pregnancy, including whether to continue the pregnancy or consider other options. Knowing the results of the test can also help couples prepare for the future and plan for the care of a child with special needs.

5. Faster results

Unlike other prenatal diagnostic tests that can take several weeks for results, CVS provides results in just a few days. This quick turnaround time can provide couples with timely information that can help them make decisions about their pregnancy.

6. Less invasive than other options

CVS is less invasive than other diagnostic tests such as amniocentesis because it can be performed transabdominally or transcervically, depending on the location of the placenta. This minimizes the risk of complications and discomfort for the mother.

7. Additional testing options

In addition to detecting chromosomal abnormalities, CVS can also test for other genetic disorders and conditions such as cystic fibrosis and sickle cell disease. This additional testing can provide couples with a more comprehensive understanding of their baby’s health.

8. Potential for earlier intervention

Early detection of genetic or chromosomal abnormalities through CVS can also allow for earlier intervention and treatment for the baby, such as medication or surgery after birth. This can improve outcomes for babies with certain conditions.

9. Better family planning

For couples who have previously had a child with a genetic disorder or chromosomal abnormality, CVS can help them make informed decisions about future pregnancies. It can also provide information that can help families plan for the future and make necessary lifestyle changes.

Winding up – Chorionic villus sampling (CVS)

CVS offers several advantages that make it a valuable diagnostic tool for couples at a higher risk of having a child with genetic or chromosomal abnormalities. The early detection and high accuracy of the test can provide couples with the information they need to make informed decisions about their pregnancy and plan for the future.

While the procedure carries some risks, these risks are relatively low, and the benefits of CVS can be significant. If you’re at a higher risk of having a child with genetic or chromosomal abnormalities, talk to our healthcare provider at Jammi Scans to learn more about CVS and whether it may be a good option for you.