%0 Journal Article %T Premenstrual syndrom: etiology and pathogenesis. Psychological aspects. %A Hoperskaya, O.V. %A Kudashova, E.A. %A Enkova, E.V. %A Merkulova, A.Y. %K premenstrual syndrome, PMS, menstrual cycle, premenstrual dysphoric disorder, psychology, gynecology, depression %J Journal of Natural Sciences Research %D 2024 %N 9 %P 3 %I INFRA-M Academic Publishing LLC.