A. M. Ziganshin
Bashkir State Medical University
Russian Federation

Aydar M. Ziganshin – Dr. Sc. (Med.), Professor of the Department of Obstetrics and Gynecology with a course at the Institute of Additional Professional Education

3 Lenin St., 450008 Ufa, Russian Federation 

G. B. Dikke
F.I. Inozemtsev Academy of Medical Education
Russian Federation

Galina B. Dikke –Dr. Sc. (Med.), Professor, Department of Obstetrics and Gynecology with a Course of Reproductive Medicine

22 Moskovsky Ave., St. Petersburg 190013, Russian Federation 

A. M. Musina
Bashkir State Medical University
Russian Federation

Aliya M. Musina – 5th year student of the Faculty of Medicine

3 Lenin St., 450008 Ufa, Russian Federation 

R. R. Bayanova
Bashkir State Medical University
Russian Federation

Regina R. Bayanova – 5th year student of the Faculty of Medicine

3 Lenin St., 450008 Ufa, Russian Federation 

A. L. Frolov
Republican Clinical University of the Ministry of Health of the Republic of Belarus, Perinatal Center
Russian Federation

Alexey L. Frolov – Cand. Sc. (Med.), Honored Doctor of the Republic of Bashkortostan, distinguished physician of the Russian Federation and the Republic of Bashkortostan, Head of the Operating Unit. No. 2 

Batyrskaya str., 31, Ufa 450106, Russian Federation