Today makes a week since I started discharging brown discharge. The day after me and my boyfriend had unprotected sex I started it. My period is next week and I don't have any STD's that I know of and I don't think am pregnant what could it be? Please help me

Have you read any of this (https://www.askmehelpdesk.com/womens-health/info-answers-frequently-asked-questions-our-health-expert-53865.html) CC? It may very well be time for a visit to your doctor to have it properly diagnosed.