I had my period on the 6 this month and i went off on the 10 and on the 25 of this month also i happen to go to the bathroom and when i went to wipe i notice some drak red and brown blood so i put a pad on just to see what was going on with my body but i notice its only when i wipe and its not heavy at all I am still producing the same thing

Can anybody tell me whats going on why am I having to periods in one month could it be a sign that i might be pregnant