Thread: Really late period

My last period ended around August 15th. During that period a condom slipped off and I freaked so we got Plan B. Around the 22nd I had spotting that was just like a period for about four days. It's October 14th and I still haven't gotten my period. There were a number of condom accidents since then but my boyfriend never finished inside. I was nervous I was pregnant and I've taken about three pregnancy tests since September 25th and they all came back negative. Could I still be pregnant? Or is it most likely just stress from starting college? (I DID switch anxiety medicines over the summer so maybe this one isn't working as well..?)

Do you normally have very routine cycles?