PLOD1 and Infertility: Clinical parameters including age, LH/FSH ratio, bodymass index (BMI), and concentration of fasting blood glucosedid not significantly differ among the three groups (P>0.05).Duration of infertility tended to be longer in IR patients ascompared with the control group (P=0.097); however, itwas not different considering other comparisons (P>0.05).LH concentration tended to be higher in IS patients than thecontrol group (P=0.079), but it did not differ between othergroups (P>0.05).