L. A. Chegus
Khanty-Mansiysk State Medical Academy
Russian Federation

Larisa A. Chegus, Cand. Sci. (Med.), Associate Professor at the Department of Obstetrics and Gynecology

40, Mira St., Khanty-Mansiysk, 628011

A. V. Solovyeva
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Alina V. Solovyeva, Dr. Sci. (Med.), Professor at the Department of Obstetrics and Gynecology with the course of Perinatology

6, Miklukho-Maklai St., Moscow, 11719

E. Yu. Aleynikova
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Ekaterina Yu. Aleynikova, Postgraduate Student of the Department of Obstetrics and Gynecology with the course of Perinatology

6, Miklukho-Maklai St., Moscow, 11719

M. A. Spitsyna
Peoples’ Friendship University of Russia named after Patrice Lumumba
Russian Federation

Maria A. Spitsyna, Clinical Resident of the Department of Obstetrics and Gynecology with the course of Perinatology

6, Miklukho-Maklai St., Moscow, 11719