Congrats.
And at only 7 weeks most people are unaware and continue to smoke or drink wine and such. It is really good that you have stopped and you both will be healthy! I would not stress to much about having already affected your baby. I do not believe you have. Everything should be just fine hun.
Im sure everything will be ok. It is wonderful that you care enough to do the right thing for your baby. Congratulations
Probably none. Many women drink and smoke and not know their pregnant yet. Just make sure your taking prenatal vitamins and eat healthy. Best of luck to you and congrats