Just a heads up.  When I started metformin for my insulin resistance (I have NCAH), even though I eased into the medication, I felt really sick, nausious, stomach cramps, and had to run to the bathroom quite often.  Be patient if you start it.

Also, the Diana Schwarzbein diet is EXCELLENT for getting insulin levels under control, PCOS under control, and other hormonal levels.  I know everyone claims to have the perfect diet, but she has worked with diabetic patients and those with other endocrine disorders, and this diet works.  Be well and believe in the power of a healthy diet.