A.A. KHASANOV1–3, K.I. GABDULLINA1, A.V. ARZAMASTSEVA1  1Kazan State Medical University, Kazan 2Kazan (Volga region) Federal University, Kazan 3Republic Clinical Hospital, Kazan  Contact details: Khasanov A.A. — MD, Professor of the Department of Obstetrics and Gynecology, Chief Specialist, Chief Researcher Address: 49 Butlerov St., Kazan, Russian Federation, 420012, tel.: +7-917-239-15-00, e-mail: albirkhasanov@mail.ru Currently, the treatment of […]