Hi there, I had unprotected sex on the 5th of September after my period finished and again on the 11th if September. Two days later I went to the toilet and had blood only when wiping it was very light. It only lasted two days. I previously had my period and was on time due on the 3rd of October and ended 9th of October. From the 10th of October until now the 12th, I have blood again only when wiping. What does it mean?