Auricular Acupressure (AA) For Insulin Resistance in Women With Polycystic Ovary Syndrome

Inclusion Criteria: * Women aged between 15 and 40 years. * Diagnosis of PCOS according to the modified Rotterdam criteria. * 2 years after menarche. * Body mass index (BMI) equal to or greater than 23 kg/m2. * IR is defined by the homeostaticmodel assessment (HOMA-IR: (fasting insulin (μU/mL)×fasting glucose (mmol/L))/22.5). A value ≥2.14 will be considered to be indicative of IR. * With no desire of children within 3 months. Exclusion Criteria: * Administration of other medications known to affect reproductive function or metabolism within the past three months, including oral contraceptives, Gonadotropin-releasing hormone (GnRH) agonists and antagonists, anti androgens, gonadotropins, anti-obesity drugs, Chinese herbal medicines, anti diabetic drugs such as metformin and thiazolidinediones, somatostatin, diazoxide, and calcium channel blockers. * Patients with other endocrine disorders including 21-hydroxylase deficiency, hyperprolactinemia, uncorrected thyroid disease, suspected Cushing's syndrome. * Patients with known severe organ dysfunction or mental illness.