A total of 80 cases of GS were notified by cities analyzed. Pregnant women affected by syphilis were mostly white (68.75%). Fifty percent of cases were diagnosed during secondary stage, followed by primary (17.50%), next latent (13.75%), then tertiary (5%). Non-treponemal test (screening test) was reactive to 96.25% of pregnant women infected whilst Treponemal test (confirmatory test) was reactive to 76.25% and not performed in 18.75% of late confirmed cases. Educational level was related to GS occurrence in this population, since 86.25% of them studied less than 10 years. Most of pregnant women lived in urban areas (92.45%). Database: National System of Aggravations and Notification–SINAN (2017).