FILE - This 1972 microscope image provided by the Centers for Disease Control and Prevention shows a Treponema pallidum bacterium which causes the disease syphilis. With syphilis cases in U.S. newborns skyrocketing, a doctors group is now recommending that all pregnant women be screened three times for the sexually transmitted infection. The American College of Obstetricians and Gynecologists issued updated its guidance to doctors on Thursday, April 18, 2024. (Susan Lindsley/CDC via AP)