Could this be my mucus plug?

for around 3 days there has been a thick white jelly like discharge several times a day when i wipe after i have been the toilet this may sound nasty to some people but i need advice not nasty comment. My feet have swollen really bad, the baby is hardly moving and i have started getting bad heartaches, any advice and could this of been my mucus plug i have read that the plug doesnt always have blood in it, the baby is due tomorrow, advice please