The fourth of July my fiancee and I were messing around after having been drinking that day. Ultimately the condom broke so the next morning we went and bought the Plan B pill within 8 hours. A week later we messed around again and the same thing happened so we bought another one just to be safe. My period came July 15 starting like usual. I had a heavy bleeding the 2nd day. But the third day I only was spotting. My period only lasted 3 1/2 days. Which is unusual seeing as my period normally last 5-6 days. Non the less we shrugged it off and went on about our life. Now it's August and I still haven't got my period. I have been having cramps pretty frequently as if I am about to start but just nothing has came. Is this normal? I know the Plan B pill with mess up cycles. But it does make me a little uneasy. I do take birth control on a daily basis but used the pill just to double cross everything. Anybody else have this problem?