I am on Ortho Tri-Cyclen Lo. In August I successfully skipped my period and all was well until September. I bled for most of the month of September until my actual 'period' started. Everything about it was normal except that my flow was very, very light, especially compared to what I usually have. The bleeding ended and had another 'period' begin last Wednesday. Everything was normal about this one too, except that my flow was very light again. Although I love that I have barely bled for the last two, I am a little worried about it. Is it just due to the fact that I messed around with my birth control and my body is taking some time to readjust, or should I run to the store and buy all of their pregnancy tests?