Can You Have a DNA Test While Pregnant?

Learn how DNA testing works during pregnancy in 2026, including NIPT and carrier screening. Find out what to expect and how to order a panel online.

Yes, you can absolutely have a DNA test while pregnant. In 2026, the most common method is non-invasive prenatal testing (NIPT), which analyzes cell-free DNA from a simple maternal blood draw as early as 10 weeks of pregnancy. This screening evaluates the risk for certain chromosomal conditions, such as trisomy 21 (Down syndrome), and can also reveal the baby's sex. DNA testing during pregnancy is safe for both mother and baby, and it does not pose the miscarriage risk associated with invasive procedures like amniocentesis or chorionic villus sampling.

Understanding DNA Testing Options in Pregnancy

Prenatal DNA testing falls into two main categories: screening tests and diagnostic tests. Screening tests, like NIPT and first-trimester screening, estimate the likelihood of a condition. Diagnostic tests, such as chorionic villus sampling (CVS) and amniocentesis, provide a definitive answer but carry a small risk of pregnancy loss. Most US providers now recommend NIPT as a first-line screening due to its high accuracy and safety.

Non-Invasive Prenatal Testing (NIPT)

NIPT, also called cell-free DNA testing, examines fragments of fetal DNA circulating in the mother's blood. It screens for common aneuploidies (e.g., trisomy 13, 18, and 21) and can sometimes detect sex chromosome abnormalities. The test is typically covered by insurance for high-risk pregnancies, though many labs now offer it to all expectant mothers. Results are usually available within 7–10 business days.

Carrier Screening

Carrier screening is another type of DNA test that checks whether you carry gene mutations for inherited disorders, such as cystic fibrosis, spinal muscular atrophy, or fragile X syndrome. This can be done before or during pregnancy. If both partners are carriers for the same condition, there is a 25% chance the baby will be affected. Genetic counselors often help interpret results and guide next steps.

First-Trimester Screening vs. Integrated Screening

First-trimester screening combines a blood test and an ultrasound (nuchal translucency) to assess risk for Down syndrome and trisomy 18. Integrated screening includes first-trimester results plus a second-trimester quad screen (measuring four markers in maternal blood) for a more comprehensive risk assessment. While these are not DNA tests per se, they are often used alongside NIPT.

When to Consider a Prenatal Paternity Test

If you need to establish paternity during pregnancy, a prenatal paternity test can be performed using NIPT-like technology. This test analyzes cell-free fetal DNA from a maternal blood sample and compares it to a potential father's DNA (usually via cheek swab). It is available as early as 8–10 weeks and is highly accurate. However, it is not a medical screening and is typically not covered by insurance.

Key Differences Between Screening and Diagnostic Tests

What to Expect with Results and Next Steps

• NIPT results are reported as low risk (negative) or high risk (positive). A positive result should be confirmed with a diagnostic test like CVS or amniocentesis.
• Carrier screening results indicate whether you are a carrier for any of the tested conditions. If you are, your partner may also be tested.
• Fetal fraction is a key metric in NIPT: it measures the proportion of cell-free DNA from the placenta. A low fetal fraction (below 4%) may require a redraw.
• Always discuss results with a genetic counselor or maternal-fetal medicine specialist to understand your options.

Frequently Asked Questions

Order Your Prenatal Screening Panel Today

If you are ready to take the next step, you can order a prenatal screening panel online and receive your results quickly from a CLIA-certified lab. Start your journey with confidence by choosing a comprehensive test that covers both NIPT and carrier screening in one simple blood draw.