can u help me? my period was suppose to be around 22-25 starts and last for 1 week....i was having sex with my boy 1 5 days b4 22nd...upon my period day...i did not period for almost 1 month..why is that happening? could it be i'm pregnant or could it be im caught somekind of disease? plzz reply ASAP!!!! im rely3 scared :'( :'(