Am i leaking fluid? 28 weeks pregnant?

okay i just asked a question but i want to rephrase it..how do i know if im leaking my fluid? when i went to the bathroom last i wiped and it was watery with mucusy like discharge..[i have had mucusy discharge with my whole pregnancy just umed it is peices of my mucus plug] but i noticed now when i go to the bathroom and wipe its more watery instead of thick and mucusy..i have an ppointment tomorrow but do you think im leaking fluid? its sunday so i cant call my dr..if im leaking fluid is it an emergency?? idk what to do if thats the case