SHBG and Insulin resistance: a For 307 women only, representing 84.81% of women with FPHL. Abbreviations: BMI, body mass index; BT, bioavailable testosterone; DHEA-S, dehydroepiandrosterone sulfate; FPHL, female pattern hair loss; FT, free testosterone; HOMA-IR, homeostatic model assessment-insulin resistance; mFG, modified Ferriman Gallwey; SHBG, sex hormone-binding globulins; TT, total testosterone.