Not sure what to do HELP !

Olivia

I just found out that I am pregnant, I did smoke marijuana heavily and I have stopped. Should I wait until I am clean to go to the doctor for this pregnancy ? It will be about 30-45 days before i am completely clean. I am about 2-3 weeks pregnant right now. Do you think if I went the doctor would find out or say anything ? I have 2 kids currently and now pregnant.