A Quick Blood Test Can Reveal Your Baby’s Health and Gender

NIPT can screen your baby for certain genetic conditions and gender.

Published on Sep 2, 2025

If you’re pregnant or planning to be, you’ve probably heard about NIPT, or noninvasive prenatal testing. It’s the blood test that has everyone talking in the world of pregnancy. Think of it as a sneak peek at your baby’s DNA without having to go through anything invasive.

NIPT screens for some of the most common chromosomal conditions like Down syndrome, Edwards syndrome, and Patau syndrome. It can also detect sex chromosome variations, which is why some parents use it to find out if they’re having a boy or a girl. The best part is that it’s quick, painless, and can give you a lot of peace of mind early in your pregnancy.

Although it started as a test for people with high-risk pregnancies, more doctors are now offering NIPT to all expecting parents. That means you don’t have to be over a certain age or have previous pregnancy concerns to get it.

Also read: New Technology Can Predict Babies' Abnormalities While Still in Womb

What is NIPT?

NIPT is a blood test that analyzes DNA from your baby’s placenta. It checks for the likelihood of certain genetic conditions, so you know if your baby might be at risk. Unlike invasive tests like amniocentesis or CVS, NIPT is completely noninvasive, making it a safe option for both you and your baby.

You can take the test as early as 10 weeks into your pregnancy. Your doctor might recommend it if you’ve had a previous child with a chromosomal disorder, if you have a high-risk pregnancy, or if an ultrasound shows a potential concern. But even if none of these apply, the test is increasingly being offered to everyone.

What Conditions Does NIPT Look For?

NIPT looks for a variety of chromosomal disorders, including:

Trisomies:

Down syndrome (trisomy 21)

Edwards syndrome (trisomy 18)

Patau syndrome (trisomy 13)

Sex chromosome conditions:

Turner syndrome (45,X)

Klinefelter syndrome (47,XXY)

Trisomy X (47,XXX)

Jacob’s syndrome (47,XYY)

Many parents also use the test to find out their baby’s sex early.

How Does NIPT Work?

During pregnancy, your baby’s DNA doesn’t stay locked up safely in the womb. Tiny pieces of it, called cell-free DNA or cfDNA, actually travel into your bloodstream. Most of this DNA comes from the placenta, which acts like a messenger between you and your baby.

Here’s what happens during the test:

Your doctor draws a small amount of blood from your arm.

The sample is sent to a lab where cfDNA is analyzed using advanced sequencing technology.

Within a few days or weeks, your doctor receives a report showing whether your baby is at low risk or higher risk for certain genetic conditions.

It’s important to know that NIPT is a screening test. A positive result does not confirm a condition. It simply suggests that further testing may be necessary. False positives and false negatives are rare but possible.

Discuss the results openly with your doctor or a genetic counselor to gain a deeper understanding of what they may mean. Only you and your family can decide what’s best for your pregnancy journey.

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Deciding whether to undergo NIPT is a personal decision. Some parents want the information early for peace of mind. Others prefer to wait until after birth. The test is about giving you choices and information, not making decisions for you.

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Hanna is a News Desk Writer at Smart Parenting, covering parenting, health, culture, and more. Off the clock, she’s likely people-watching at a café or park, matcha latte in hand.