Help!

Ok ladies im ttc i have pcos my doctor put me on metformin 500mg twice a day. She told me to lose some weight and eat right and she pretty sure I will get pregnant. The problem is that i don't have a appetite im thinking its from the metformin. sometimes I can go all day without eating and i know that's not helping. It's it anything i can do bc i know i need to take the metformin.