Yep, could definitely be MP or just some thick discharge.

No worries ☺️ we know pregnancy isn't always glamorous but some women find it difficult to see some "graphic" photos. It does look like part of your mucus plug, if I were to hazard a guess

I'm sorry I didn't know that was a rule? @phinnybinz

Please remember to post the graphic photos in comments. Thanks ☺️

Mucus plug