SHBG and complete androgen insensitivity syndrome: In particular, postpubertal CAIS patients with intact gonads show increased levels of LH with normal levels of FSH and of sex hormone binding globulin (SHBG) for the female range; moreover, basal testosterone and oestradiol values, free androgen indices and androgen aromatization indices are in the normal male range [8,22,23,125].