Sexually transmitted infections - Technical work
The WHO Department leads the global effort to end the epidemics of HIV, tuberculosis (TB), hepatitis, and sexually transmitted infections (STIs), ensuring that every person has equitable access to highest-quality people-centred scientific evidence and services, regardless of who they are or where they live.

WHO Congenital Syphilis Estimation Tool

The WHO Congenital Syphilis Estimation Tool was developed as a tool for countries to estimate current and historical congenital syphilis case numbers, case rates and adverse birth outcomes. The tool also looks at future trends in congenital syphilis cases under different scenarios of antenatal care coverage and maternal syphilis testing and treatment. Further, it can be used to estimate benzathine penicillin G (BPG) requirements for maternal syphilis treatment (1 dose of 2.4 million units of BPG per seropositive woman). The tool builds on the methods used by WHO to estimate global congenital syphilis.

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Untreated maternal syphilis remains a substantial cause of preventable perinatal morbidity and mortality.

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