Study of Acupuncture to Control Weight and Improve Pregnancy Rates in Overweight/Obese PCOS Patients

8 weeks Acupuncture treatment for 2-3 times/week, 30min each time and lifestyle intervention((1) Daily intake of 1200\~1500kcal of energy, dietary carbohydrate function ratio of 45-55%, lipid energy supply ratio of 20-30%, protein energy ratio of 20-30% (2) At least 150 minutes of moderate-intensity physical activity (e.g., brisk walking) per week (3) Quit smoking and drinking, and adjust psychologically)

8 weeks Metformin 500 mg three times a day with meals and lifestyle intervention ((1) Daily intake of 1200\~1500kcal of energy, dietary carbohydrate function ratio of 45-55%, lipid energy supply ratio of 20-30%, protein energy ratio of 20-30% (2) At least 150 minutes of moderate-intensity physical activity (e.g., brisk walking) per week (3) Quit smoking and drinking, and adjust psychologically)