Expecting a baby is an exciting and emotional journey, but it also comes with important decisions, especially when it comes to prenatal testing. You might have heard of two tests: NIPT (Non-Invasive Prenatal Testing) and NICC (Non-Invasive Cell-free Circulating DNA Testing).
While they sound similar, they’re not quite the same. Understanding the differences can help you make a more informed choice about your prenatal care. Let’s break it down and explore what each test does, how they’re different, and when you might want to consider one over the other.
What is a NIPT?
Non-Invasive Prenatal Testing (NIPT) is a screening tool that helps detect specific chromosomal abnormalities in a developing baby, like Down syndrome (trisomy 21), Edwards syndrome (trisomy 18), and Patau syndrome (trisomy 13). What’s great about NIPT is that it’s simple, safe, and highly accurate.
Starting as early as the 10th week of pregnancy, a small sample of the mother’s blood is taken. In this blood, fetal DNA (known as cell-free DNA) is present in trace amounts. The NIPT analyzes this DNA to identify potential genetic issues.
It’s important to know that NIPT is just a screening test, not a diagnostic one. This means that while it’s highly accurate—over 99% for Down syndrome—it can’t provide a definitive diagnosis. If NIPT results are positive, your doctor may suggest further testing, such as an amniocentesis, to confirm the findings.
Who should consider NIPT?
- Women over 35 (due to increased risk of chromosomal abnormalities)
- Women with a family history of genetic disorders
- Couples who have had abnormal results from other screening tests
What Is NICC?
Now, let’s talk about NICC, or Non-Invasive Cell-free Circulating DNA Testing. While the name might sound complicated, it’s another type of non-invasive test that analyzes cell-free DNA in the mother’s blood, similar to NIPT. However, NICC tends to focus more on broader genetic disorders beyond the most common chromosomal issues like Down syndrome.
NICC may not be as widely available or as common as NIPT, but it’s another option for parents who want a broader genetic screening. However, the accuracy of NICC for certain conditions may not be as high as NIPT for specific chromosomal abnormalities like trisomies.
NIPT vs NICC: What’s the Difference?
You might be wondering, “If both tests analyze fetal DNA, what’s the real difference?”
Here are the key points that set these tests apart:
1. Purpose and Scope
NIPT is primarily designed to detect specific chromosomal conditions, especially trisomies (conditions where a fetus has three copies of a chromosome instead of two). NICC might cover a broader range of genetic disorders, depending on the provider, but it might not have the same level of specificity for conditions like Down syndrome.
2. Testing Procedure
Both NIPT and NICC require a simple blood draw from the mother, but the techniques used to analyze the fetal DNA can vary between the two. NIPT is more focused on detecting common chromosomal abnormalities, while NICC may look at a wider array of potential issues.
3. When the Tests Are Done
Both tests can be performed starting from 10 weeks of pregnancy, which is fairly early. This allows parents to get information about their baby’s genetic health early on, but the timing doesn’t differ much between NIPT and NICC.
4. Accuracy
When it comes to accuracy, NIPT takes the lead. For trisomy 21 (Down syndrome), NIPT has an accuracy rate of over 99%. While NICC is also reliable, it may not be as accurate for specific conditions like Down syndrome. This is something important to discuss with your healthcare provider.
The Pros and Cons of NIPT
| Pros | Cons |
|---|---|
| It’s non-invasive (no needles going into your uterus!) | It only screens for a limited number of conditions. |
| It’s highly accurate for common chromosomal abnormalities. | If the test is positive, you’ll need further diagnostic testing (like amniocentesis) to confirm. |
| You can do it early—starting from 10 weeks. |
The Pros and Cons of NICC
| Pros | Cons |
|---|---|
| Like NIPT, it’s non-invasive. | It’s often less available than NIPT. |
| It may offer broader screening beyond common chromosomal conditions. | It may not be as accurate for detecting specific trisomies (e.g., Down syndrome, Edwards syndrome, and Patau syndrome) |
When Choosing Between NIPT and NICC
Choosing between NIPT and NICC can be confusing, but the best way to decide is to talk with your healthcare provider. They’ll take into account your age, family history, and any previous pregnancy complications. Some parents may prefer the broader screening of NICC, while others will prioritize the higher accuracy of NIPT for conditions like Down syndrome.
It’s also worth considering the financial and emotional impact of these tests. While prenatal testing can provide peace of mind, it can also cause anxiety if results are uncertain or require further testing. Be sure to talk through all your options and make the decision that’s right for you and your family.
NIPT Test in Malaysia
Visit Dr. Prevents to Get Non-Invasive Prenatal Testing
Ultimately, both NIPT and NICC offer valuable insights into your baby’s health, but they serve different purposes. NIPT is your go-to for detecting common chromosomal conditions like Down syndrome, while NICC may provide a broader scope of genetic information.
At Dr. Prevents, our clinics offer NIPT to help support expectant parents through their period of prenatal testing. All of our clinics across Kuala Lumpur and Selangor offer these services. Visit us to consult with our doctors and see if NIPT is what you need.