Thyroid problems

So after our last miscarriage march2018 the doctor told me the reasoning for my miscarriages is because I may have a thyroid problem. so far I suffered two miscarriages within six months apart. We do have a beautiful daughter (5). with her I had a threatening miscarriage but never got into any problems turned out healthy. I ENCOURAGE EVERYONE TO GET ALL BLOOD TEST. I had no idea that my thyroid could cause such a big problem. I took test Friday hoping to hear good news to fix this. fingers crossed. Any other ladies have a thyroid problems how did they fix it?