I can please use some advise...

Sooo in 2017 I went on the depo shot for 3 months June-Sep was supoosed to go back in October... anyways I went to see my doctor in november too see if she can help me get my period, I took provera and it worked, Got my periods all through March... then in april it stopped 😭 I never got a period and Pregnancy test was negative.. anyways I went back and they gave me provera again and I got my period may but now i’m late again in june.. what is going on!!! 😭 why cant my periods just be consistent.. it gets my hopes high 😐 does anyone know if this is normal? even after given 2 doses of provera!!?!?