Omg low back pain all day on and off then once it goes away I get cramps .. now starting to get low…

Omg low back pain all day on and off then once it goes away I get cramps .. now starting to get low back pain with it again .. Hope everything is normal in my pregnancy because I ain't stressing or bleeding or nothing I'm just hurting alittle here and there !! (Early) 3rd pregnancy !! Advice ...????