The Certificate of United States Naturalization Guide was developed to help naturalized U.S. citizens complete and file their own requests for a copy of their Certificate of Naturalization. This is a step-by-step-guide that will help you file your request as efficiently and quickly as possible.
By Mayo Clinic Staff. Doctors don't know what causes polycystic ovary syndrome, but these factors may play a role: Excess insulin. Insulin is the hormone produced in the pancreas that allows cells to use sugar (glucose) â your body's primary energy supply. If you have insulin resistance, your ability to use insulin effectively is impaired, and your pancreas has to secrete more insulin to make glucose available to cells.
Polycystic Ovary Syndrome: Causes, Diagnosis and Treatment. Polycystic ovary syndrome (PCOS) is a very common disorder that many women first learn about while seeking the cause of their infertility. PCOS affects 5-10% of women of reproductive age, making it one of the most common hormonal disorders in this age group. The exact cause of PCOS is not known.