I am the one who posted this question, and since then I have had some bad cramping and I've started bleeding, not as much as I normally do on the first day (I usually have a pretty heavy flow--sorry if that's gross!) but enough to make me change my tampon a couple of times. However, what's weird about it is that I'm bleeding off and on...I'll bleed for a few minutes, then stop, then start again a little while later. Do you think this is my period? I'm sure hoping so!