Spotting, help?

Lovely • IG: Plentifully.day TTC #4. Sept 2014 tubal reversal. Feb 2016 HSG: blocked tubes. May 2016 IVF: failed. Aug 2016 BFP turned to 4th loss
I just noticed brown spotting, pretty big spot. I'm about 6 weeks is this going to be a bad thing? I'm already heart broken 😪