Pregnancy is an ideal time to help underserved young women to stop smoking cigarettes and remain abstinent for life. The field has made great progress in assisting women to quit during this time. Unfortunately, maintenance of this highly significant behavior change is dismal. Up to 75% of those who quit for pregnancy end up returning to smoking after delivery of the newborn. For underserved women, pregnancy is one of the few times that they have an extended contact with the health care system. Therefore, there is an opportunity to help these women quit smoking for the health of their fetus in addition to their own health. To date, there has been insufficient research on how best to maintain abstinence during the critical postpartum period, during which a unique constellation of risk factors (including sleep deprivation, variations in negative mood, and increased stress) heighten the probability of relapse. The potential payoff is enormous. The literature, while not extensive, provides sufficient guidance and justification for the specific approach and intervention components the study has chosen.