People with large breasts may get polycystic ovaries, or polycystic ovary syndrome. It is important to note that women with large breasts may have polycystic ovary syndrome due to endocrine factors, genetics, etc., but there is no direct relationship between large breasts and getting polycystic ovary syndrome. Physiologic large breasts may have more localized fat, or better development during puberty, without uncomfortable symptoms such as swelling and pain. The cause of polycystic ovary syndrome is still unclear, and is generally believed to be related to endocrine factors and genetic factors, etc. The cause is not yet clear, and may be due to one or more of these factors. There is no direct relationship between large breasts and polycystic ovary syndrome. 1. Endocrine factors: poor lifestyle, excessive psychological stress, obesity or diseases may lead to endocrine disorders, hypothalamic-pituitary dysfunction, insulin resistance and hyperinsulinemia, hyperandrogenemia, malfunctioning of ovarian regulatory mechanisms, etc., which affect each other and result in the formation of polycystic ovary syndrome. 2. Genetic factors: Polycystic ovary syndrome has a family history of inheritance, especially when the mother suffers from polycystic ovary syndrome, the prevalence of the disease in her daughter will increase. Women with large breasts may suffer from polycystic ovary syndrome. It is recommended that women pay attention to maintaining good living habits, eating a balanced diet, relaxing, getting enough sleep, avoiding late nights, exercising, and having regular medical checkups to prevent polycystic ovary syndrome to some extent. If there is any physical abnormality, it is recommended to consult a doctor in time so as not to delay and aggravate the condition.