A.V. GANEEVA, R.I. GABIDULLINA, S.D. MAYANSKAYA Kazan State Medical University” of the Ministry of Health of the Russian Federation, Kazan  Contact details: Ganeeva A.V. – Assistant of the Department of Obstetrics and Gynecology named after Professor V.S. Gruzdev Address: 49 Butlerova St., 420012, Kazan, tel. +7-917-253-15-78, e-mail: a.v.ganeeva@gmail.com The aim of the study was to […]