PCOS, REEVALUATE TREATMENT, HELP.

Well ladies, I have been ttc baby #2 since August. Our 1st daughter took us iver 2 years of trying and I was not diagnosed yet with PCOS. IN October 2015 I was diagnosed and put on 1,000mg Metformin to help me lose weight and regulate blood sugar. Since I started I had 1 period and ovulated 1 time and I have only lost 5 pounds with diet and excersize I am very overweight for my height and age. I have a checkup tomorrow to touch base and reevaluate my treatment. My doctor is great. What suggestions does anyone have for me?