Implantation

I've been TTC for 4 month and thought I had finally did this month cause AF was late but Friday I and hubby had intercourse I was fine no bleeding, but Saturday I started spotting and it stopped I had intercourse this morning and now I'm spotting again still light nothing on the pad all day but I see blood in the toilet after use has this happened to anyone else? Btw bleeding has somewhat stopped but I still see drops in the toilet after use