T.G. Kirillova - Ph. D. (Biol.), Associate Professor, Southern Federal University (Rostov-on-Don). E-mail: tgkirillova@sfedu.ru T.L. Botasheva - Dr. Sc. (Med.), Professor, Chief Researcher, Obstetrical and Gynecological Department Rostov Research Institute of Obstetrics and Pediatrics (Rostov-on-Don). E-mail: t_botasheva@mail.ru R.L. Gurbanova - Junior Research Scientist, Obstetrical and Gynecological Department, Rostov Research Institute of Obstetrics and Pediatrics (Rostov-on-Don). E-mail: g_lr@mail.ru A.V. Lysenko -Dr. Sc. (Biol.), Professor, Southern Federal University (Rostov-on-Don). E-mail: alysenko@sfedu.ru O.A. Lushpaeva - Ph. D. (Biol.), Associate Professor, Southern Federal University (Rostov-on-Don). E-mail: оlushpaeva@sfedu.ru