A. V. Mikhailov
Maternity Hospital No17; D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology; Pavlov First Saint Petersburg State Medical University of the Ministry of Healthcare of Russian Federation; I.I. Mechnikov North­Western State Medical University
Russian Federation

Anton V. Mikhailov – Doct. of Sci. (Med.), Professor, Chief physician of the Maternity Hospital No.17; Chief Researcher, of D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology; Professor of the Department of Obstetrics, Gynecology and Reproduction of the North-Western State Medical University named after I.I. Mechnikov; Professor of the Department of Obstetrics, Gynecology and Reproduction of Pavlov First Saint Petersburg State Medical University, St. Petersburg.
https://orcid.org/0000-0002-0343-8820
E-mail: mav080960@gmail.com 

A. A. Chernov
Maternity Hospital No17
Russian Federation

Andrei A. Chernov – obstetrician-gynecologist, ultrasound diagnostics doctor of of the Maternity Hospital No. 17, St. Petersburg.
https://orcid.org/0009-0006-1116-861X

V. V. Shman
Maternity Hospital No17; D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology

Vera V. Shman – obstetrician-gynecologist, Head of the Maternity Ward of the Maternity Hospital No. 17, St. Petersburg. 
https://orcid.org/0009-0000-6312-8667

A. N. Maksimenko
Maternity Hospital No17

Aleksei N. Maksimenko – Obstetrician-gynecologist, Head of the Obstetric Physiology Department of the Maternity Hospital No. 17, St. Petersburg.
https://orcid.org/0009-0001-0682-0208

A. B. Yaskarayeva
Khoja Akhmet Yassawi International Kazakh-Turkish University
Kazakhstan

Asselya B. Yeskarayeva – Obstetrician-gynecologist, Khoja Akhmet Yassawi International Kazakh-Turkish University, Turkistan, Kazakhstan.
https://orcid.org/0000-0002-5439-2236