I have been on the pill for three years now and at the end of my last pack I began getting a period, quite heavy with clotting and cramps. I ran a second pack hoping the period would go away but am still bleeding. It is not heavy now but is significant and red as opposed to the pink or brown spotting I have heard about. I have not missed any pills in the first or second pack, have not vomited or had severe diohrroea either? Has this happened to anyone else?? I am quite worried.