Can someone please tell me if there is something wrong with me?

I had two miscarriages last year, had dnc for both, but now lately i have been feeling very low energy, stressed for nothing seems like, i ache all over, i have gained about 30lbs, and i just don't have that spunk anymore..... does anyone know what i should do, what kind of doctor do i see for this???? I seriously am not my self at all....is this related to my miscarriages???? or what? please anything would help!