Sera Prognostics, Inc. is a women's health diagnostics firm that focuses on creating, advancing, and bringing to market biomarker tests aimed at improving pregnancy results. Their primary product, the PreTRM test, is a blood-based biomarker assay specifically designed to predict the likelihood of spontaneous preterm birth in singleton pregnancies where no symptoms are yet present. Additionally, the company is cultivating a portfolio of potential tests for various other pregnancy-related conditions, such as preeclampsia, predicting time-to-birth at a molecular level, gestational diabetes mellitus, restricted fetal growth, stillbirth, and postpartum depression. Established in 2008, the organization's main operations are based in Salt Lake City, Utah.
1 in 10 U.S. Babies Are Born Too Early. A Leading OB-GYN Says Most Mothers Can Learn Their Risk by Week 21, and Do Something About It.
Board-certified OB-GYN Dr. Thaïs Aliabadi endorsed the PreTRM® Test, noting that preterm birth risk can be identified via a simple blood test between weeks 18 and 21 of pregnancy.
Data from the PRIME trial of ~5,000 participants showed that PreTRM-guided care reduced preterm births before 32 weeks by more than 50% and NICU admissions by 20%.
Commercial access is expanding, with Illinois Medicaid covering the test as of July 1, 2026, and patient pricing set at $750 list or $600 if paid upfront.