Pcos , can't get pregnant, weight gain

Dalet

After I had my son ((he is now 8)) I've been struggling for 4yrs to get pregnant due to the fact that I have pcos and I'm over weight, I just recently started birth control to get my period back on track but it looks like I'm just gaining more and more weight I'm so stressed out I have tried everything low carb diets and many more stuff I have resently started taking Tejocote roots but no change .. Any advice it would really mean allot to me

Thank you 😊