A pregnant mother with untreated syphilis can pass it to the unborn fetus.

(STATE COLLEGE, PENN.) Syphilis is a sexually transmitted infection caused by the bacteria Treponema pallidum.

During pregnancy, this bacteria can pass from a mother with untreated syphilis, known as maternal syphilis, to her child in utero, causing the fetus to contract congenital syphilis.

Originally published on theconversation.com, part of the BLOX Digital Content Exchange.