I wouldn't rule that out, but not entirely sure. There are soooooo many reasons that women can spot. It is so hard to say. I never ever used to notice any spotting throughout my cycle then one month things change. Now it isn't uncommon for me to have light spotting from 10dpo until AF. The first time it happened I thought for sure IB since I had that with my daughter. Now 8 months later I just realize, that's what my body does now. Time only tells. That being said I got spotting yesterday and today so I'm thinking I am probably out this month. Seems to be the normal pattern.