I am 31 years old and not sexually active. My periods have been pretty irregular over the past year. I assume this is because of being overweight and the stress caused by the loss of my father this year. I started my period on October 1 and it progressed as "usual;" however, two days later, I began bleeding again, but much lighter and more sporadically. It has not stopped though and I'm wondering what's going on - 3 weeks of bleeding?