Could I be Pregnant or My period

Okay sooo two days ago I had tan like discharge & this morning when I wiped had light pink blood & its not period like. My first time having unprotected sex was Nov 24th . I went to the doctor for bc pills( i haven’t took them yet) & took a pregnancy test on the dec 3rd& it came back negative. My 2nd time having unprotected sex was dec 5th & I was really (turned on) I been off depo for a month!!! What do ya’ll think? Feedback plzzz so I don’t stress myself cause I’m actually trying to conceive