L.V. SAVINA1, 2, 3, А.G. YASHCHUK1, A.V. MASLENNIKOV1, A.M. SAVIN2  1Bashkir State Medical University, Ufa 2Republic Clinical Perinatal Center, Ufa 3Children’s Polyclinic No. 6, Ufa  Contact details: Savina L.V. — postgraduate student of the Department of Obstetrics and Gynecology, obstetrician-gynecologist, chief medical officer Address: 3 Lenin St., Ufa, Russian Federation, 450000, tel.: +7-937-835-73-93, e-mail: savinaliana091286@mail.ru […]