PCOS LADIES?!

 Okay so I have been trying to convieve for 10 months, I've been for ultra sounds to sed his my pcos is going and blood tests, my doctor just keeps saying "keep trying" I went for a blood test last week and it turns out all my hormone levels are excellent I'm just not ovulating .. Now this doctor prescribed me metmorfin I no this has resulted for some women there BFP. But my insulin levels are normal  so I'm confused as to why she would prescribe me this when she says my levels are excellent , I no that Metmorfin does not make u ovulate it simply assists you in keeping your insulin levels down  ( which can result in ovulation ) , I'm in a healthy weight rang for my height I'm just starting to hit a low I asked her I wanted Clomid  but she said this is not good for people with pcos :(?