Irregular period please help!!!!

Kaliah

OK so I didn't have a period for Oct and Nov. Of 2014 but then it can dec .27 very late spotted for the whole month of January now on Monday it started to get kinda heavy with a lot of blood clots n very painful cramps no STDs no cyst haven't been on any BC for 1 1\2 now. Anybody else going thru this?????

Please help me