so i have a question and its a little tmi... but i had some white yellow gooey type come down while i wiped. im almost…

so i have a question and its a little tmi... but i had some white yellow gooey type come down while i wiped. im almost 31 weeks and im wondering is it my mucus plug or something different. i feel dumb asking but im a first time mommy and clueless on some things since im always being told different.