For the past couple of months, my period has been heavier and lasts about 8 days. Before that started, it was light and lasted only 5 days, sometimes 6. Last night, I had a clear, stretchy discharge with a little bit of blood in it. About an hour later, the heavy bleeding began. My period isn't due for a week but I'm still bleeding. My fiance and I have been trying to conceive and had sex during ovulation. Could I be pregnant or is something else going on?