Is this implantation bleeding?

Hallo ladies I have a question I got off my period almost 2 weeks ago me and my fiance have been sexual active since I gotten off we haven't used protection I just had my second son 4 months ago I just started spotting yesterday morning I am still spotting I was seeing if anyone knew if this is implantation bleeding with my first son I had implantation bleeding with my second son I didn't Its just been so long with my first i forgot what it looked like