Cramping after sex.

For the last 2 weeks after sex I get period like cramping in my lower stomach. No change in discharge or anything like that. Idk if this has anything to do with it or not but last month my cycle was a little different not by a lot tho started kinda normal but didn't have any clots and went for 2 day past stop date, but when it wasn't normal it was like orange. Should I go to my doctor or will I be okay?