The contribution of laboratory investigations in diagnosis of congenital infections.

Congenital diseases are an important indicator of the degree of development of primary health care, because primary prevention is paramount in diagnosing and diminishing the number of those types of cases. Syphilis is a sexually transmitted chronic infectious disease and with an evolution, often unpredictable. Primary prevention aims to prevent infection of the fetus, while secondary prevention aims for a reduction in the severity of sequels already installed.