| ||In the United States during 2008-2012 (average), the rate of syphilis among women was 1.2 cases per 100,000 women. |
| ||Sexually transmitted infections are risk factors for adverse perinatal outcomes such as miscarriage, ectopic pregnancy, stillbirth, preterm delivery, birth defects, newborn illness and death. |
Sexually Transmitted Disease Surveillance, Division of STD Prevention, Centers for Disease Control and Prevention.
Retrieved January 19, 2017, from www.marchofdimes.org/peristats.