A.A. TYURINA, A.G. YASCHUK, A.G. IMELBAEVA, O.V. YAKOVLEVA Bashkir State Medical University, 3 Lenin St., Ufa, Russian Federation, 450000  Tyurina A.A. ― postgraduate student of the Department of Obstetrics and Gynecology №2, e-mail: alla.tyurina2016@yandex.ru, ORCID ID: 0000-0001-6657-8081 Yaschuk A.G. ― D. Med. Sc., Professor, Head of the Department of Obstetrics and Gynecology №2, e-mail: alfiya_galimovna@mail.ru, […]