Is this breakthrough bleeding?

The bleeding part could be breakthrough bleeding, but based on what you noticed with the color change it sounds like something more could be going on. I am going to give you the link to a site that may help you find more information until you get in to see your doctor next week. The link is at: a href="http://forums.obgyn.net/womens-health" rel="nofollow"http://forums.obgyn.net/womens-health/a