Yu.V. GARIFULLOVA, V.I. ZHURAVLEVA Kazan State Medical University of the Ministry of Health of Russian Federation, Kazan   Contact details: Garifullova Yu.V. ― Assistant Lecturer of the Department of Obstetrics and Gynecology named after Prof. V.S. Gruzdev Address: 49 Butlerov  Str., 420012, Kazan, tel.: (843) 236-08-73, e-mail: gamil.garifullov@yandex.ru The article presents the results of a modified […]