I had unprotected sex on the Dec 6th, around my ovulation time, I was supposed to start on the 22nd but didn't. I usually start in the mornings but I started heavy spotting on the night of the 23rd. It was bright red and got heavier throughout the night so I thought I was on my period but by midday on the 24th it was back to spotting. On the night of the 25th it was gone completely. Then on the 29th I had very faint light pink spotting only when I wiped? Since then I've felt dizzy and have been peeing a lot, then around 4am on the 30th I had heartburn, which continued the next few days around the same time. I'm not sure what is going on?