L. V. Tkachenko
Volgograd State Medical University
Russian Federation

Liudmila V. Tkachenko, Dr. Sci. (Med.), Professor, Head Department of Obstetrics and Gynecology, Institute of Continuing Medical and Pharmaceutical Education, Volgograd State Medical University

1, Pavshikh Bortsov Square, Volgograd, 400131

N. I. Sviridova
Volgograd State Medical University
Russian Federation

Natalia I. Sviridova, Dr. Sci. (Med.), Associate Professor, Professor of the Department of Obstetrics and Gynecology, Institute of Continuous Medical and Pharmaceutical Education

1, Pavshikh Bortsov Square, Volgograd, 400131

T. V. Skladanovskaya
Volgograd State Medical University
Russian Federation

Tatyana V. Skladanovskaya, Cand. Sci. (Med.), Associate Professor, Department of Obstetrics and Gynecology, Institute of Continuous Medical and Pharmaceutical Education

1, Pavshikh Bortsov Square, Volgograd, 400131

I. A. Gritsenko
Volgograd State Medical University
Russian Federation

Irina A. Gritsenko, Cand. Sci. (Med.), Associate Professor of the Department of Obstetrics and Gynecology, Institute of Continuous Medical and Pharmaceutical Education

1, Pavshikh Bortsov Square, Volgograd, 400131

S. V. Shishimorova
Volgograd State Medical University
Russian Federation

Svetlana G. Shishimorova, Postgraduate Student of the Department of Obstetrics and Gynecology, Institute of Continuing Medical and Pharmaceutical Education

1, Pavshikh Bortsov Square, Volgograd, 400131