A.O. CHURAKOVA1, R.I. GABIDULLINA1, 2, F.I. FATKULLIN1, 2, T.N. SHIGABUTDINOVA2  1Kazan State Medical University, Kazan 2City Clinical Hospital No. 7 named after M.N. Sadykov, Kazan Contact details: Gabidullina R.I. — MD, Professor, Head of the Department of Obstetrics and Gynecology named after V.S. Gruzdev Address: 49 Butlerov St., 420012 Kazan, Russian Federation, tel.: +7 (843) 236-06-23, e-mail: ru.gabidullina@yandex.ru The purpose — to systematize […]