10 weeks 1 day brown spotting!!!

Amanda💕
I noticed since about week 8 of my pregnancy i have been having light brown spotting/discharge. I went to the doctor last week at 9 weeks and 4 days the baby was perfectly healthy measuring at where it was suppossed to and was moving around and heartbeat was strong. But im still concerned about this brown spotting / Discharge. Has this ever happened to you?