Advice please.

Okay so i’m pretty sure me and my boyfriend have had sex about 14 times in about 8 days😂,, anyways we have safe sex, we use a condom every time and i am also on the pill called Noriday, have been on it for nearly a month now but today whenever i go to the toilet and ( not to be too crude ) wipe there’s always a brown smear like you know when you’re coming off your period? that type of thing but it’s super super super ridiculously light. i just wanted to ask if it was anything i should worry about??