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Cover
Aug. 10, 2022
Cover [Abstract]  
Document Type 8-K
Document Period End Date Aug. 10, 2022
Entity Registrant Name SERA PROGNOSTICS, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-40606
Entity Tax Identification Number 26-1911522
Entity Address, Address Line One 2749 East Parleys Way
Entity Address, Address Line Two Suite 200
Entity Address, City or Town Salt Lake City
Entity Address, State or Province UT
Entity Address, Postal Zip Code 84109
City Area Code 801
Local Phone Number 990-0520
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Entity Ex Transition Period false
Title of 12(b) Security Class A Common Stock, $0.0001 par value per share
Trading Symbol SERA
Security Exchange Name NASDAQ
Amendment Flag false
Entity Central Index Key 0001534969