A.A. KHASANOV1–4, D.V. NURULLINA1, 4, E.R. YARULLINA1  Kazan State Medical University, Kazan ²Kazan (Volga) Federal University, Kazan ³Republic Clinical Hospital, Kazan ⁴Maternity Hospital No. 3 of Kazan State Medical University Clinic named after Prof. V.S. Gruzdev, Kazan   Contact details: Khasanov A.A. — MD, Professor of the Departmenmt of Obstetrics and Gynecology named after Prof. V.S. Gruzdev, Chief Expert, […]