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/C O R R E C T I O N -- BillionToOne/

$BLLNPress releaseAug 19, 2026, 10:22 AM ETRead the release

BillionToOne announced the publication of a prospective study in Obstetrics & Gynecology involving 2,212 general-risk pregnancies, which demonstrated that its Unity Fetal Risk Screen achieved 94.4% sensitivity and 99.5% specificity. The study is the first of its kind conducted in an intended-use screening population, showing that cfDNA fetal risk assessment identifies more affected pregnancies than traditional carrier screening, which often misses cases due to incomplete partner testing.

Key figures

Sensitivity
94.4%
Specificity
99.5%
Study participants
2212
New panel gene count
130
Outcome completion rate
98.6%
Negative predictive value
>99.9%

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