What Causes Pain In Lower Back And Ovaries, Tender Breast And Bloated Feeling?

i finished my period (my period was lighter than usual) and 3-4 days later sarted experiencing pain on my lower back, ovaries (almost like period pains) and legs. my legs also feel very weak and shaky. now its been 2 weeks and it seems its getting worse.A few days later my breasts became very tender. i dont know if its related but i feel very bloated and full of gas. sometimes have heart burns. my bladder has become weaker today. i dont know what is going on and im very worried