N. V. Artymuk
Kemerovo State Medical University
Russian Federation

Natalia V. Artymuk, MD, DSc, Professor, Head of the Department
of Obstetrics and Gynecology

22a, Voroshilova Street, Kemerovo, 650056

Y. A. Parfenova
Kemerovo State Medical University
Russian Federation

Yana A. Parfenova, MD, Clinical Resident, Department of Obstetrics
and Gynecology

22a, Voroshilova Street, Kemerovo, 650056

O. A. Tachkova
Kemerovo State Medical University
Russian Federation

Olga A. Tachkova, MD, PhD, Associate Professor, Department of
Hospital Therapy and Clinical Pharmacology

22a, Voroshilova Street, Kemerovo, 650056