Almost 20 weeks and gummy discharge?

Allison • 26. Married for 4 years. 22mo 👦🏼. 1 angel baby 👶🏼. 🤰🏼🌈 due in Nov2018

This was in my underwear this morning 😳 we had sex yesterday so maybe that’s what it’s from? I’m sitting here worried about it being part of my mucous plug or something