Im 18 and weigh 170 pounds and I was on birthcontrol and I missed 2of them me and my boyfriend had unprotected sex I had my period the 3rd of july I had tender breasts but figured it was my period after my period they were still sore to the point where I couldnt hug anyone it hurt so bad I felt nauseous I couldnt eat food that I normally could cuz it made me sick well I started getting back pain so bad that I would cry and I got cramps really bad then I started bleeding the 24th of july 21 days after my first period when my cycle is 30 days in between well it was really heavy bleeding it stopped after a week and everyhing that was wrong went away now its the 8th of august 15 days later and im getting cramps and I have some spotting in a panty liner but when i wipe after peeing theres a lot of blood I dont understand if im pregnant or my bodys out of wack I have had sex since the 24th bt imnot on birthcontrol anymore so could I be pregnant