Sera Prognostics, Inc., a women's health diagnostic company, discovers, develops, and commercializes biomarker tests for improving pregnancy outcomes in the United States. The company develops PreTRM test, a blood-based biomarker test to predict the risk of spontaneous preterm birth in singleton pregnancies. It is also developing a portfolio of product candidates for various pregnancy-related conditions, including preterm birth, preeclampsia, molecular time-to-birth, predictive analytics, gestational diabetes mellitus, fetal growth restriction, stillbirth, and postpartum depression. The company was incorporated in 2008 and is headquartered in Salt Lake City, Utah.