Attn ladies with recent bfp

Lovely • IG: MakingBabyDay TTC #4. Sept 2014 tubal reversal. Feb 2016 HSG: blocked tubes. May 2016 IVF: failed. Aug 2016 BFP turned to 4th loss
Did any of you check your cm? I'd like to know what it was like. I checked mine and need info