Spotting after period??

I know this is probably normal, but I guess I just am looking for reassurance?? So my period stopped late Tuesday night or super early Wednesday morning. Around midnight last night, I had an orgasm and today when I woke up I was spotting with pink blood. That’s okay, right? Idk what I’m worried about. I have previously had chlamydia, so I guess maybe I’m freaked because of that. But I have been tested twice since I was treated and I was clean! Anyways, is that normal? Thank you!