Epidemiologic Characterization and Risk Factors for Congenital Syphilis in Northeast Mexico: A Case-control Study 2016-2024.

Background: Congenital syphilis (CS) is an infectious disease caused by Treponema pallidum, which is transmitted through the placenta during pregnancy. Since 2001, a notable and consistent rise in the prevalence of CS cases has been observed, especially in low- and middle-income countries. Currently, information regarding the risk factors for this phenomenon has been scarcely addressed.