NIPT gives expecting parents an early look at their baby’s health from a single blood draw.
Providers at Capital Women’s Care Howard County review optional blood work like this at your first prenatal care visit.
Because the test is simple, a positive NIPT result can come as a shock. Your mind may race ahead before anyone has explained the numbers.
Here is the steadying news. A positive screen calls for a closer look, and on its own, it does not confirm a condition.
Before making any decisions, learn what the test measures and which next steps bring clear answers.
What NIPT Is and How It Works
NIPT stands for noninvasive prenatal testing. You may also hear it called cell-free DNA screening.
The test needs only a small sample of blood from your arm. It poses no risk to your pregnancy.
That blood carries tiny pieces of DNA from the placenta, the tissue linking you and your baby. This DNA usually matches your baby’s, so a lab can check it for extra or missing chromosomes.
Screening can begin at 10 weeks, once enough of this DNA is present.
Results can take up to two weeks, and each one estimates chance without giving a diagnosis.
What a Positive NIPT Result Means
Most tests look for Down syndrome and two other conditions caused by an extra chromosome. Each condition gets its own result, so one can come back high-risk while the rest look low-risk.
A higher-risk NIPT result shows an increased chance for that one condition. As a screening test, NIPT cannot give a firm yes or no.
Only a diagnostic test can confirm whether a condition is present. Until then, keep in mind that results can sometimes be wrong.
Why False Positives Happen
A false positive is a higher-risk result for a baby who does not have the specific condition. NIPT has fewer false positives than older screening tests, though they still happen.
Accuracy also shifts by condition. NIPT finds about 99% of Down syndrome cases, yet for some of the rarest conditions, false positives outnumber true ones.
A few factors can shape your NIPT result:
- Placental DNA that differs from your baby’s DNA
- A genetic condition in the parent carrying the baby
- Carrying twins or more
- Too little placental DNA in the sample, which may lead to a repeat test
Each one is a good reason to confirm a result before drawing conclusions.
Talking Through the Worry Before the Next Step
Even with the facts in hand, the wait after a positive NIPT result can feel long.
Pregnancy experts note that screening can cause needless worry for some families and false comfort for others.
That is why counseling is a core part of prenatal testing. A clear talk about what your numbers can and cannot show helps you hold off on big decisions.
Some people also find comfort in meeting with a genetic counselor.
Once the worry has room to settle, the next steps become easier to weigh.
Diagnostic Tests That Give a Clear Answer
After a positive screen, your provider may suggest a diagnostic test for a firm answer.
Chorionic villus sampling, or CVS, tests a few cells from the placenta between 10 and 13 weeks.
Amniocentesis tests a small amount of the fluid around your baby after 15 weeks.
Your regular care continues alongside these tests, including a detailed ultrasound in the second trimester to check on your baby’s development.
The choice is yours.
Your provider can explain the benefits and limits of each test so you can decide what feels right.
A Board-Certified Team for Every Question
These choices feel easier with a team that already knows your pregnancy.
Many members of the OB/GYN team at CWC Howard County are Fellows of the American College of Obstetricians and Gynecologists.
This professional credential requires election and is a clear sign of board certification and high ethical standards.
At your consultation, providers walk through NIPT results for expecting parents in Howard County, and every question is welcome.
When a pregnancy needs a closer watch, maternal-fetal medicine doctors, who specialize in high-risk pregnancies, are consulted and added to your pregnancy team.
Steady Support from Positive NIPT Result to Delivery in Howard County
You chose NIPT for an early look at your baby’s health.
A positive screen is just one point within a fuller picture.
The team offers steady guidance on NIPT results for expecting parents in Howard County, along with care through labor and delivery.
To schedule a visit with Capital Women’s Care Howard County, please call 410-314-0001 now.
You can also find contact info, appointment details and practice forms online.
Leave a Reply