A. A. Balushkina
Federal State Budgetary Institution «Kulakov National Medical Research Centre for Obstetrics, Gynaecology and Perinatology» of the Ministry of Health of Russian Federation.
Russian Federation

Balushkina Anna Andreevna, Cand. of Sci. (Med.), a researcher of the 1st Obstetric Physiological Department.

117997, Russia, Moscow, Akademika Oparina St., 4.

N. E. Kan
Federal State Budgetary Institution «Kulakov National Medical Research Centre for Obstetrics, Gynaecology and Perinatology» of the Ministry of Health of Russian Federation.
Russian Federation

Kan Natalia Enkynovna, Dr. of Sci. (Med.), Head of Obstetric Department.

117997, Russia, Moscow, Akademika Oparina St., 4.

V. L. Tyutyunnik
Federal State Budgetary Institution «Kulakov National Medical Research Centre for Obstetrics, Gynaecology and Perinatology» of the Ministry of Health of Russian Federation.
Russian Federation

Tyutyunnik Victor Leonidovich, Dr. of Sci. (Med.), Head of the 1st Obstetric Physiological Department.

117997, Russia, Moscow, Akademika Oparina St., 4.