Сборник научных тезисов и статей "Здоровье и образование в XXI веке". Том 12. 2010. С. 193-194
The variation of blood hormone levels in the healthy women during of the menstrual cycle are researched. Is established, that the leptin, insulin, peptid C and total T <sub>3</sub> peaks in winter, adiponectin - in summer, cortisole and total Т <sub>4</sub>- in autumn, thyroid-stimulating hormone - in spring. The average annual meaning of the thyroid-stimulating hormone, leptin, insulin, peptid C and cortisole significant higher (р < 0,05) in Greece, adiponectin, total T <sub>3</sub> and Т <sub>4</sub> - in Russian. Thus the statistically significant seasonal variation of hormone levels in healthy women in different phase of the menstrual cycle are revealed.