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.