Polycystic ovary syndrome usually starts in adolescence and is one of the common endocrine and metabolic disorders in women of adolescence and childbearing age. It is also the main cause of secondary amenorrhea and anovulatory infertility in women of childbearing age. Obesity, hirsutism, skin acne, menstrual disorders, infertility and polycystic ovarian changes are the main clinical manifestations. 50% of patients with polycystic ovary syndrome will be obese, and obese teenagers may also develop polycystic ovary syndrome. Then some people will say, is it true that polycystic is fat but not thin? In the “Guidelines for the Diagnosis and Treatment of Polycystic Ovary Syndrome in China” formulated and implemented in 2018, oligomenorrhea or amenorrhea or irregular bleeding is a necessary condition for diagnosis. The remaining Rotterdam classic standards: clinical and/or biochemical hyperandrogen manifestations; ultrasound; For PCOM. Choose one of the two, and also need to exclude other ovulation disorders and other high androgen diseases to be diagnosed as polycystic ovary syndrome. None of the above is diagnosed as polycystic because of obesity. In clinical practice, some patients are not overweight, even some are only 80 kilograms, but there are also a series of problems such as irregular menstruation, high androgen levels, and infertility. Everyone calls this type “thin polycystic”. , So thin people also suffer from polycystic ovary syndrome. Obese polycystic ovary syndrome (fat polycystic) is more prone to hyperinsulinemia, metabolic disorders, blood sugar, and blood lipids than non-obese polycystic ovary syndrome (lean polycystic). Whether it is “fat polycystic” or “thin polycystic” depends on two data, because even patients with normal weight may show excessive accumulation of fat in the abdomen, upper arm, and waist. The first one is body fat. Many smart body fat scales are now very easy to use and you can choose by yourself. The second is the waist and abdomen dimensions. It is generally believed that Asian women have waist circumference> 80cm or waist-to-hip ratio> 0.85 as central obesity. Although some girls are relatively light and have a normal BMI, their fat is still above the standard, which is a hidden “little fat paper”! Whether it is fat polycystic or thin polycystic, there is no small harm to health. Mention of polycystic ovary syndrome, the sisters can not suppress heartache. Polycystic ovary syndrome harms irregular menstruation, prone to acne, and increases the risk of other diseases, including cardiovascular diseases, metabolic diseases, psychological diseases, tumor diseases and abnormal reproductive function. The biggest danger is infertility. Many women in the workplace are troubled by infertility or repeated miscarriages, and only after they come to the hospital to find out that it is polycystic ovary syndrome. Because this disease has ovulation disorders, the chance of pregnancy is lower than that of normal women. Once pregnant, it is prone to spontaneous abortion due to unique high androgen, high gonadotropin, high insulin levels and abnormal endometrial receptivity.