L. V. Kurdynko
St. Petersburg State Pediatric Medical University
Россия

Lyudmila V. Kurdynko, obstetrician-gynecologist of the highest category, Head of Obstetric and Physiological Department of the Perinatal Center, Assistant of the Department of Obstetrics and Gynecology

2 Litovskaya str., St. Petersburg, 194100

D. S. Rossolko
St. Petersburg State Pediatric Medical University
Россия

Dmitriy S. Rossolko, Cand. of Sci. (Med.), obstetrician-gynecologist of the highest category, Associate Professor of the Department of Obstetrics and Gynecology

2 Litovskaya str., St. Petersburg, 194100

V. S. Rek
St. Petersburg State Pediatric Medical University
Россия

Valeriya S. Rek, 4th year student of the Faculty of Medicine

2 Litovskaya str., St. Petersburg, 194100

Yu. O. Ivanova
St. Petersburg State Pediatric Medical University
Россия

Yuliya O. Ivanova, 4th year student of the Faculty of Medicine

2 Litovskaya str., St. Petersburg, 194100

T. I. Prohorovich
St. Petersburg State Pediatric Medical University
Россия

Tatyana I. Prohorovich, Cand. of Sci. (Med.), Associate Professor of the Department of Obstetrics and Gynecology

2 Litovskaya str., St. Petersburg, 194100