V. F. Bezhenar
I.P. 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, I.P. Pavlov First Saint Petersburg State Medical University.
6-8 Lev Tolstoy Str., Saint Petersburg 197022.

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

Lidiya A. Ivanova - MD, PhD, Associate Professor, Department of Obstetrics and Gynecology, S.M. Kirov Military Medical Academy, Ministry of Defense of Russian Federation.
6 Akademika Lebedeva Str., Saint Petersburg 194044.

E. K. Ailamazyan
D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology
Russian Federation

Eduard К. Ailamazyan - MD, Dr Sci Med, Professor, Academician of RAS, Honored Scientist of Russian Federation, Scientific Director of the Department of Obstetrics and Perinatology, D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology.
3 Mendeleevskaya liniya, Saint Petersburg 199034.