What is polycystic ovary disease? Polycystic ovary syndrome is a common gynecological disease. It is a syndrome formed by the formation of multiple follicles on the ovaries due to factors such as excessive estrogen secretion, excessive testosterone secretion, insufficient follicle development or incomplete rupture. The symptoms of polycystic ovary mainly include: prolonged cycles, irregular menstruation, abnormal sex hormone levels, increased ovarian volume, etc. At present, polycystic ovary syndrome has become a relatively common gynecological disease, with an incidence rate of approximately 10% to 15%. Causes of polycystic ovary disease 1. Genetic factors: It has been confirmed that polycystic ovary disease is a hereditary disease.