it was my 1st Time and now Weird Stuff is happening

Lani
Hi, I'm almost 16 and I just did it for the first time on Wednesday October 19th and it was really pretty good. his dick was huge and I'm not just saying that. I've seen plenty b4 then. my period is supposed to come in for days but there's some spotting and some weird creamy discharge. it was protected sex. I don't know what to do. I'm scared. is this normal? does that happen to people when it's there first time or every time? I'm lostm