Demographic Characteristics and Pregnancy Outcomes by Maternal HIV Status among Mothers with Congenital Syphilis–Affected Pregnancies—United States, 2018–2023

In the United States, 1% of mothers with pregnancies affected by congenital syphilis had HIV and 16% of these mothers had unknown HIV status. Those affected by HIV were more likely to be Black and reside in the South; they also had larger proportions of pre-term birth and low birthweight.