V. F. Bezhenar
Pavlov First Saint Petersburg State Medical University, Health Ministry of Russian Federation
Russian Federation

Vitaly F. Bezhenar - MD, Dr Sci Med, Professor, Head of the Department of Obstetrics, Gynecology and Neonatology, Pavlov First Saint Petersburg State Medical University; Chief External Expert - Obstetrician-Gynecologist of the Health Committee of Saint Petersburg.

6–8 Lev Tolstoy Str., Saint Petersburg 197022.

L. A. Ivanova
Kirov Military Medical Academy, Ministry of Defense of Russian Federation
Russian Federation

Lidiya A. Ivanova - MD, PhD, Associate Professor, Department of Obstetrics and Gynecology, Kirov Military Medical Academy, Ministry of Defense of Russian Federation.

6 Akademika Lebedeva Str., Saint Petersburg 194044.

N. A. Tatarova
Pavlov First Saint Petersburg State Medical University, Health Ministry of Russian Federation
Russian Federation

Nina A. Tatarova - MD, Dr Sci Med, Professor, Department of Obstetrics, Gynecology and Reproductology, Pavlov First Saint Petersburg State Medical University.

6–8 Lev Tolstoy Str., Saint Petersburg 197022.

M. Yu. Korshunov
Pavlov First Saint Petersburg State Medical University, Health Ministry of Russian Federation
Russian Federation

Mikhail Yu. Korshunov - MD, Dr Sci Med, Associate Professor, Department of Obstetrics, Gynecology and Reproductology, Pavlov First Saint Petersburg State Medical University.

6–8 Lev Tolstoy Str., Saint Petersburg 197022.