Figure 2From: Menstrual irregularity and bone mass in premenopausal women: Cross-sectional associations with testosterone and SHBG Standardized broadband ultrasound attenuation (BUA) across quartiles of testosterone, sex hormone-binding globulin (SHBG) and free androgen index (FAI). Error bars indicate 95% confidence intervals. Hormonal factors were standardized parameters.Back to article page