Mucus Plug Or Discharge

I’m 39 Weeks And 5 Days With My Second Baby Since Yesterday I’ve Been Having This Thick Stringy Clean Stuff Coming Out Of My 🍪 . I’ve Also Had Maybe 3 To 5 Contractions Today But Nothing Major . So Is This Only Discharge Or Could It Have Been My Mucus Plug ?

I Thought A Mucus Plug Came Out All At Once

This Did Not Happen With My First