what is it?

so i been feeling really really sleepy lately, im 5 days on my period. 2 weeks ago i was going tru a lot of stress. I get cramps and feel like my period coming those cramps been happening over a week already, there horrible they come and go but nothing seems to come out. Im having a loy of white discharge. I feel tired a lot. My back hurts kill me! I have been having a lot of unprotected sex with my boyfriend. What do you guys think this is? Stress is stopping my period ir what? 🙄