Anyone w/ PCOS and already have kids???

I recently lost 35 pounds before getting pregnant. I have been on metformin for about a year but I never tried to lose weight until January of this year and then fell pregnant in May.  I just want to know if being pregnant affected the pcos any and how was it after the baby?? 
I'm staying on metformin as long as my doctor gives me more refills after the next 4 are up (she said I could continue it). We just moved to a new place and I'm seeing military doctors and I'm really worried that they won't refill my metformin and I won't be able to lose the weight back after the baby without it. But I also never tried to lose weight before the metformin So is it possible to lose weight without ?? 
I know my baby will be worth anything I gain but I needed to lose a lot more even after the 35 and I want to feel comfortable again after the baby.