 SALT LAKE CITY, Sept. 20, 2021 GLOBE NEWSWIRE -- Sera Prognostics Inc., The Pregnancy CompanyTM Nasdaq: SERA, focused on improving maternal and neonatal health by providing innovative pregnancy biomarker information to doctors and patients, today announced that according to a preliminary list of initial public offering IPO additions to the Russell indexes, the company will be added to the Russell 2000 Index effective Sept. 20, 2021. 