Relationship between symptom severity and steroid variation in women with premenstrual syndrome: study on serum pregnenolone, pregnenolone sulfate, 5 alpha-pregnane-3,20-dione and 3 alpha-hydroxy-5 alpha-pregnan-20-one.
The relationship between symptoms of premenstrual syndrome (PMS) and serum levels of pregnenolone (Pe), pregnenolone sulfate (PS), 5 alpha-pregnane-3,20-dione (5 alpha-DHP), 3 alpha-hydroxy-5 alpha- pregnan-20-one (5 alpha-THP), LH, 17 beta-estradiol (E2), and progesterone (P) was investigated during 2 consecutive menstrual cycles in 12 patients using daily measurements. Corresponding hormones were also measured during 1 cycle in 8 control women. Pe, PS, 5 alpha-DHP, and 5 alpha-THP showed a significant cyclicity within menstrual cycles and a high rate of correlation with P variation in both PMS patients and controls. No significant difference was found between PMS patients and controls in average serum concentrations of Pe, PS, 5 alpha-DHP, 5 alpha-THP, and LH during the luteal phase, whereas a significantly higher level of E2 and a lower level of P were observed in PMS patients. The variation in symptom scores was compared with that in hormone levels within each woman. The symptom peak showed a delay of 3-4 days after the serum P, Pe, 5 alpha-DHP, and 5 alpha-THP peaks. However, the plasma PS peak appeared on the same day or only 1 day before the symptom peak in PMS patients. When comparing the 2 cycles studied, more negative symptoms occurred in cycles with higher luteal phase E2, Pe, and PS concentrations, whereas higher luteal phase 5 alpha-DHP and 5 alpha-THP concentrations were associated with improved symptom ratings in PMS patients. These results suggest that the mentioned steroids are related to the severity of distressing symptoms in PMS patients.[1]References
- Relationship between symptom severity and steroid variation in women with premenstrual syndrome: study on serum pregnenolone, pregnenolone sulfate, 5 alpha-pregnane-3,20-dione and 3 alpha-hydroxy-5 alpha-pregnan-20-one. Wang, M., Seippel, L., Purdy, R.H., Bãckström, T. J. Clin. Endocrinol. Metab. (1996) [Pubmed]
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