19 Serum concentrations of testosterone, free testosterone, and estradiol were measured in sera from blood drawn at baseline and months 3, 6, 9, and 12 and stored at −80°C. These assays were performed at the Brigham Research Assay Core.22 Statistical Analyses Participants were analyzed in ...
If you are interested in other hormonal parameters like progesterone or estradiol and the balance between them, be sure to check our progesteron to estradiol calculator or testosterone to estrogen ratio tool. Low testosterone Low testosterone levels might cause a variety of symptoms in males, like...