24-Hour Serum Levels of Growth Hormone, Prolactin, and Cortisol in Pre- and Postmenopausal Women: The Effect of Combined Estrogen and Progestin Treatment

Menopause was associated with decreased 24-h levels of GH and PRL, which were reversible with EPT. In contrast, cortisol levels were not affected by menopause or EPT. In middle-aged premenopausal women, the studied effects of EPT were limited to nighttime increases of PRL and cortisol.