It's very possible this may have been implantation bleeding. For now, just hang in there until your next cycle starts. If you are generally on a 28 day cycle, you should begin to start around this coming weekend. If you don't start by next Monday, then you should do a pregnancy test. Now there is a test called First Response, that states it can detect pregnancy up to 5 days before you even miss your period. You may want to try that test tomorrow or Wednesday. Make sure to follow the directions and use your first morning urine. However if you at least wait until you have missed your period, this will give you a better result.
Best of luck Hun, Hope this helps, If you need anything else please feel free to ask. If you found this helpful don't forget to click the *ACCEPT* button and leave *POSITIVE* feedback.