Second this! Ring and get checked out x
If you ring them they might suggest you come in for monitoring as you're not full term. Either way it should put your mind at rest.
It sounds like you’re hormones are just ramping up it can make u have runny poos weeks leading up to labour, I’m 36 weeks and had this for the past couple weeks especially first thing in the morning and multiple braxton hicks daily and alot more extra discharge you will know when your waters go, but if ur unsure call triage im sure they will check u over xxxx
Ring them and seek advice best thing to do!