Seasonal variation in blood hormone levels in wumen different ethnic grupps

Abstract

The article is devoted to study seasonal variation in blood hormone levels in the healthy women. Is established, that the leptin, insulin, peptid C and total T3 peaks in winter, adiponectin - in summer, cortisole and total Т4 - 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 T3 and Т4 - in Russian. Thus the statistically significant seasonal variation of hormone levels in healthy women in different phase of the menstrual cycle are revealed.