How Does Smoking Weed Affect Pregnancy?

im about 8wks pregnant, i would smoke marijuana two to three times a day on a daily baisis. i have quit once i found out i was pregnant of course. my last pregnancy i admitted to smoking prior but stopped but at birth of my child i still ended up with cps following up. i dont want this to happen again, plus i know how important it is to get into a dr bit im a affriad to pee dirty and have same issue again. im 33 145lbs 5 5 would i pee clean if i get dr appointment in couple weeks?