Mucus plug or ... ?

Brittany • 5/25/16💗 4/16/18💙

I'm 23 weeks today and lately I have been cramping and losing green mucus stringy type discharge every day ( no smell & no blood ) sometimes it is like a tan ish yellow color ... my appointment to my midwife isn't until Wednesday , what could this be ? No negative comments please 😩😩😩