I have had 2 late periods first one was a week late second one was 4 days late they were both heavy for the first couple of hours then they go light. Since my first late period i have been getting headaches on and off but i get them everyday. I feel sick most days but havent thrown up. Bloated most days. Really emotional, i cry over the stupidist things and im not one to cry, i also can go from happy to crying to hyper to angry within a matter of minutes. I get some light cramping in my pevlic area sometimes throughout the day. Im 18 and have a boyfriend, who i have sex with almost on every other day and i am on a birth control pill. But because of my late periods they have been delayed. Please can someone give me some idea?