THE INFRADIAN RHYTHMS OF CORTISOL AND THYROID HORMONES AT WOMAN OF REPRODUCTIVE AGE

The levels of cortisol, free and total thyroxin in the serum of the 6 th woman of 23-33 aged old in the follicular phase of menstrual cycle was studied by ELISA method. The cortisol level was fluctuated during the 4-day period. The levels of free and total thyroxin were changed in the 3-day period. Both fluctuations were synchronous in all studied woman. Revealed biological rhythms of glucocorticoids and thyroid hormones should be taken into account when hormonal and immunologic status of healthy woman is researched and corrective methods of pathologic states are developed.