Please help!!

Okay so for the past two days I had bd with my boyfriend and when he finishes I always run to the bathroom and both nights I have been spotting and ONLY appears when I wipe?? Any suggestions please help. I also took an ovulation test this morning and the smiley face was blinking (clear blue digital) so I know I'm either fertile or ovulating. I need help knowing the difference?? Someone please help me. I've googled it and everyone on there is just explaining their situation instead of telling me what it could be.