Mucus plug?

Jillian

I’m 38 weeks tomorrow!!

On Friday I was in labor & delivery for having consistent contractions for over 24 hours. I was 3cm dilated & 90% effaced. I was having bits of blood come out from my cervix being checked so often while there. I just had a very gooey chunk of brown come out and now this, is this the start of my mucus plug?