M.I. Yarmolinskaya1, Z. M. Yuldashev2, E.A. Semenova3, Yu.O. Bobrova4, I.P. Korneeva5

1 D.O. Ott Research Institute of Obstetrics, Gynecology and Reproductology (Saint Petersburg, Russia)
2–5 St. Petersburg State Electrotechnical University "LETI" (Saint Petersburg, Russia)