A First-Of-Its-Kind Blood Test For Mothers That Identifies Greater Than 97% Likelihood Of Autism In A Child

MARAbio Systems launched a blood test designed to identify specific maternal autoantibodies associated with a subtype of autism known as Maternal Autoantibody Related Autism (MARA). First introduced in late 2025 and subsequently updated, the MAR-Autism Test has demonstrated greater than 97% predictive accuracy for autism, with a reported specificity rate of 99.8% indicating a low rate of false positives. The test's development comes as autism prevalence continues to rise—in the U.S. Center for Disease Control & Prevention (CDC) latest report estimates one in 31 children.

The test is performed on the mother, either before or . . .