Clear answers to  questions that matter.

Clear answers to questions that matter.

Clear answers to questions that matter.

The Harmony Prenatal Test is a blood screening test for trisomies 21 (Down syndrome), 18, and 13 that delivers accurate results from as early as 10 weeks of pregnancy.

Healthcare Professionals Expecting Parents

Demand Clarity

Harmony delivers exceptional accuracy with detection rate greater than 99% and a low false positive rate of less than 0.1% for trisomy 21 screening1

All Pregnant Women

Proven accuracy in pregnant women of any age or risk categories*

Targeted Technology

Harmony uses a unique DNA-based method to achieve exceptionally precise results.

*Both under 35 and over 35 age groups, studies have included women ages 18-48

The Harmony Prenatal Test is developed by Ariosa Diagnostics. Ariosa Diagnostics is a laboratory certified under the Clinical Laboratory Improvement Amendments (CLIA). As with other laboratory-developed tests, this testing service has not been cleared or approved by the US FDA or any other federal regulatory agencies.

Non-invasive prenatal testing (NIPT) services based on cell-free DNA analyses are not diagnostic; high-risk results should be confirmed by diagnostic testing.
Data have not been submitted to or evaluated by Federal regulatory agencies and the test is not for sale as an In Vitro Diagnostic (IVD) in the US or the EU.

1. Norton et al. N Engl J Med. 2015 Apr 23;372(17):1589-97