Power of Attorney for Tiffany Eul Davis Inglis

The filing is a Power of Attorney document for Tiffany Eul Davis Inglis, the Chief Medical Officer of Sera Prognostics, Inc. The document appoints several individuals, including Benjamin G. Jackson, David Zackrison, and Sierra Dunbar of Sera Prognostics, Inc., as well as attorneys from Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C., as her attorneys-in-fact. These attorneys are authorized to execute and file Forms 3, 4, and 5 on her behalf in accordance with Section 16(a) of the Securities Exchange Act of 1934. They are also empowered to manage her EDGAR Next account, receive SEC correspondence, and perform other related actions. The Power of Attorney remains in effect until she is no longer required to file these forms, unless revoked earlier.