SERA - Sera Prognostics Inc. (SERA) Q4 2021 Earnings Call Transcript March, 30 2022 07:30 AM Sera Prognostics Inc. Image source: The Motley Fool. Sera Prognostics, Inc. (NASDAQ: SERA) Q4 2021 Earnings Call Mar 29, 2022 , 5:00 p.m. ET Operator Continue reading For further details see: Sera Prognostics, Inc. (SERA) Q4 2021 Earnings Call Transcript