A.A. KHASANOV, V.I. ZHURAVLEVA, D.I. GALAUTDINOVA Kazan State Medical University, 49 Butlerov Str., Kazan, Russian Federation, 420012  Khasanov A.A. ― D. Med. Sc., Professor of the Department of Obstetrics and Gynecology №1, tel. (843) 236-08-73, e-mail: [email protected] Zhuravleva V.I. ― Cand. Med. Sc., Associate Professor of the Department of Obstetrics and Gynecology №1, tel. (843) […]