New Evidence Available
Updated Recommendation
A new evidence synthesis was published:2024, Updated recommendations for the treatment of Neisseria gonorrhoeae, Chlamydia trachomatis, and Treponema pallidum (syphilis) and new recommendations on syphilis testing and partner services.
View latest version (2024)Bibliographic Info
GuidelineWHO recommendations on maternal health: guidelines approved by the WHO Guidelines Review Committee, second edition. Geneva: World Health Organization; 2025
Year of Publication2023
Issuing InstitutionWorld Health Organization
Recommendation
Status
Retired
Recommended in favor
Strong
Certainty of evidence
Very low
In pregnant women with late syphilis (more than two years’ duration) or unknown stage of syphilis, the WHO STI guideline recommends benzathine penicillin G 2.4 million units intramuscularly once weekly for three consecutive weeks over no treatment
Notes and Remarks
- 1.This is defined as: positive syphilis test without presence of any symptoms of more than two years’ duration (late latent syphilis) or of unknown duration of untreated infection
- 2.The interval between consecutive doses of benzathine penicillin should not exceed 14 days.
Also Featured In
This recommendation also appears in the following guidelines:
Originally Developed
Guideline
WHO guideline on syphilis screening and treatment for pregnant women
Year2017
InstitutionWHO