ZH.S. ZAVGORODNEVA1, L.D. EGAMBERDIYEVA1, N.I. TUKHVATSHINA2 1Kazan State Medical University, 49 Butlerov St., Kazan, Russian Federation, 420012 2Republican Clinical Hospital of the Ministry of Health of the Republic of Tatarstan, 138 Orenburgskiy trakt, Kazan, Russian Federation, 420063 Zavgorodneva Zh.S. — resident doctor of the Department of Obstetrics and Gynecology № 1, tel. +7-927-410-44-41, e-mail: [email protected] Egamberdiyeva L.D. — Cand. Med. Sc., Associate Professor […]