question: Hey I am 16 and I'm on the pill but I been having dirt or brown liquid and blood clots coming from my vigiana and I just got treated for yeast and bacteria also three stds and I don't have them anymore I been retested and came back negitive why is this happening? How do I stop it? Also this is been going on for almost a week, my birthcontrol is a three month thing and I only get a period once on the third month last week.