Answer and Explanation: Polycystic ovary syndrome (or pco syndrome for short) is a disorder characterized by sacs of fluid developing in the follicles of the ovary.
Normally, the follicles in the ovaries release hormones to regulate the menstrual cycle. Each follicle also contains an egg for potential ovulation. However, when the follicles in the ovary fill up with liquid as a result of the syndrome, they become cysts. These cysts interfere with the menstrual cycle, causing irregularities. Additional symptoms include excess hair and weight gain, large ovaries, and infertility in severe cases.
Though the cause of pco syndrome is still unclear, there are some risk factors. There is a hereditary aspect to the syndrome, as it tends to run in families. In addition, it's more severe and more likely to occur in overweight individuals, as insulin resistance may play a role in contributing to the syndrome as well.