RUDN Journal of MedicineRUDN Journal of Medicine2313-02452313-0261Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)3414Review ArticleVaginal microbiocenosis in the 2 nd trimester of pregnancyShurnyakS ADepartment of Obstetrics, Gynecology and Perinatology Postgraduate Faculty-National Medical University of Lviv n.a. Danil Galitsky15052011S528428907092016Copyright © 2011,2011During the recent years miscarriage has remained one of the most important problems in obstetrics and perinatology. Its makes up almost 20% of all confirmed pregnancies, and this figure doesn’t tend to decrease, despite multiple methods of diagnosis and treatment, suggested in the recent years.microfloraimmunityinfectionмикрофлораиммунитетинфекция