multiple miscarriages

I've had 2 miscarriages over the past 3 years. I had my last miscarriage in January of this year and haven't had a period since. I went to my gyno and she diagnosed me with PCOS. I got provera and clomid 50mg. I took the provera and got my period 7 days after finishing it. Now I am on my 2nd pill of my clomid which was on day 5-9. I'm wondering when should you ovulate... or will clomid help me keep my babies?