Compared with the controls, women with PCOS at the follow‐up visits were older and had greater body weight, BMI, waist circumference, waist‐hip ratio (WHR), SBP, DBP, TG, FBG, insulin, blood glucose 2‐h post‐OGTT and HOMA‐IR (all p < 0.05). Here, INS is linked to polycystic ovary syndrome.