Nevertheless, when comparing women with PCOS who did or did not exhibit T1D [105], PCOS women with T1D were found to have normal circulating levels of antimullerian hormone (AMH), estradiol and sex hormone binding globulin (SHBG), a normal LH/FSH ratio, and twice the incidence of regular menstrual cycles than PCOS women without T1D. This evidence concerns the gene PLOD1 and type 1 diabetes mellitus.