Skip to Content

Blood Test for Down Syndrome

April 21, 2009

Tests currently used to determine whether an unborn child has Down syndrome carry a small risk of miscarriage, but a new test for the genetic abnormality could solve that problem by getting results from a maternal blood sample. The test, expected on the market this year, analyzes fetal RNA and DNA in the maternal blood serum for specific genetic markers found on chromosome 21. The number of copies of each of these markers reveals whether the fetal DNA has an extra copy of the chromosome–the genetic variation that causes Down syndrome.

Product: SEQureDx
Cost: Not available
Source: www.sequenom.com
Companies: Sequenom

Keep Reading

Most Popular

conceptual illustration of a heart with an arrow going in on one side and a cursor coming out on the other
conceptual illustration of a heart with an arrow going in on one side and a cursor coming out on the other

Forget dating apps: Here’s how the net’s newest matchmakers help you find love

Fed up with apps, people looking for romance are finding inspiration on Twitter, TikTok—and even email newsletters.

digital twins concept
digital twins concept

How AI could solve supply chain shortages and save Christmas

Just-in-time shipping is dead. Long live supply chains stress-tested with AI digital twins.

still from Embodied Intelligence video
still from Embodied Intelligence video

These weird virtual creatures evolve their bodies to solve problems

They show how intelligence and body plans are closely linked—and could unlock AI for robots.

computation concept
computation concept

How AI is reinventing what computers are

Three key ways artificial intelligence is changing what it means to compute.

Stay connected

Illustration by Rose WongIllustration by Rose Wong

Get the latest updates from
MIT Technology Review

Discover special offers, top stories, upcoming events, and more.

Thank you for submitting your email!

Explore more newsletters

It looks like something went wrong.

We’re having trouble saving your preferences. Try refreshing this page and updating them one more time. If you continue to get this message, reach out to us at customer-service@technologyreview.com with a list of newsletters you’d like to receive.