L.I. MALTSEVA, YU.V. GARIFULLOVA  Kazan State Medical Academy — Branch Campus of the FSBEI FPE RMACPE MOH Russia, Kazan Contact details: Maltseva L.I. — MD, Professor of the Department of Obstetrics and Gynecology Address: 36 Butlerov St., 420012 Kazan, Russian Federation, tel.: +7 (843) 236-46-41, e-mail: laramalc@mail.ru The authors analyzed data from foreign and Russian articles published […]