Hi, I had a period 2 weeks ago, had sex 3 days after it finished which was around 14 days after starting. A week later (7 days) I experienced dark almost black discharge never happened before only lasted one day. I'm irregular so never know when I'm due on a period.

Negative pregnancy test last night but I dont even know of it was implantation bleeding but never had it before. I think it was too early for a test but couldn't wait!!

Any advice? Am I just being hopeful?