E. V. Kudryavtseva
Federal State Budgetary Institution “Ural Research Institute of Maternity and Child Care” of the Ministry of Health of the Russian Federation
Russian Federation

Elena V. Kudryavtseva — Doctor of Medical Sciences, Associate Professor, Leading investigator of the Department of Reproductive Function Preservation 

st. Repina, 1, Ekaterinburg, 620028 

E. V. Kvashnina
Clinic “ECO Center Partus”
Russian Federation

Elena V. Kvashnina — Candidate of Medical Sciences, doctor of the highest category, deputy director for medical affairs, chief freelance specialist in reproductive health of the Ministry of Health of the Sverdlovsk Region

Belinsky Str., 61, Ekaterinburg, 620075 

N. Yu. Likhacheva
Federal State Budgetary Institution “Ural Research Institute of Maternity and Child Care” of the Ministry of Health of the Russian Federation
Russian Federation

Natalia Yu. Likhacheva — full–time postgraduate student, junior Researcher, Head of the Department of Assisted Reproductive Technologies

st. Repina, 1, Ekaterinburg, 620028