dishcharge, headaches frequently and massive heartburns?

My period came on January 28 through February 1st and wasn't heavy than it came on February 27 to March 2 and the first day was lite pink, the second was pink and brown, the third was brown and some blood, the fourth was blood, and the fifth day was brown with a little bit of pink. Now Ive been having dishcharge, headaches frequently and massive heartburns that last the whole day. My lower back as well has been hurting and one morning i woke up my breast hurt but now it doesnt. Can u explain what might be wrong?