The 4th Russian conference "Urogenital infections and reproductive health: clinical and laboratory diagnosis and treatment" was conducted in two parts: in Moscow on March 17-18 and in St.-Petersburg on March 23-24, 2011. More than 1500 delegates attended 6 plenary and 10 breakout sessions, workshops and symposia. The conference was organized by Russian Association on Genital Infections and Neoplasia with support of postgraduate Medical Academies of Moscow and St.-Petersburg.