What Causes Delayed Periods And Cough With Phlegm?

Hi, may I answer your health queries right now ? Please type your query here...I have had a cough with phlem for a month. The first 2 weeks I did not feel sick at all, just annoyed, coughing with green phlem. Now I have a snotty and runny nose, there the cough is worse. I FEEL wose!!?? I coughed up blck in my phlem yesterday in the shower. Today I did it once again. I was blowing my nose and abunch of clear snot with black came out. And tonight I went pee and when I wipped, there was blck in my discharge. I do not smoke. And KNOW that difference between dark brown and red and BLACK!!? I have the mirena IUC and do not get periods either!? WHAT IS WRONG WITH ME!!!?? PLEASE HELP!!!??