So, I have been spot bleeding monthly for about 4 months now. When it started out I bled lightly for like 5 days, the next time it was like 2 days, then just very little like one day each time. I had never really had spot bleeding before and now all of a sudden monthly. I'm never really sure when I ovulate but I always bleed maybe a week or two after menstration. I do have a new sex partner which started 6 months ago but I've been tested, no std. Is this normal?