Data will be analyzed using a 2 (brief intervention yes vs. no)) X 2 (texting referral yes-no) X 2 (quitline referral yes-no) ANCOVA (controlling for baseline smoking) test with a power of 75%, α=0.05, and 200 patients will be required for this study. The information will be analyzed using SPSS. We will examine main effects for each of the three factors. Based on an incidence of tobacco smoke in pregnancy, the total recruitment will take 3-4 months.