HELP...VERY CONCERNED

Im Currently 21 Weeks Pregnant And A Few Weeks Ago I Had An Abnormal Papsmear A Typical Cells In My Cervix So Wednesday I Had A Colosopy And A Biopsy Done On My Cervix To Make Sure The Cells Arent Precancerous...My Dr Put Some Kind Of Paste On My Cervix To Make Sure I Dont Bleed He Told Me A Coffee Ground Blackish Discharge Would Come Out But This Is Not What That Is But Today Some Wierd Discharge Came Out Of Me And Im VERY CONCERNED I Have NonPain Except Minor Cramps From The Biopsy No Pressure Or Blood ...I Live Next To A Nurse And She Told Me Its Just Tissues Coming Out But Tomorrow I Plan On Going To The Drs Any Advice On What This Is