Efficacy of a Nurse-Delivered Intervention to Prevent and Delay Postpartum Return to Smoking: The Quit for Two Trial.

Introduction: Most pregnant women who quit smoking return to smoking postpartum. Trials to prevent this return have been unsuccessful. We tested the efficacy of a nurse-delivered intervention in maintaining smoking abstinence after delivery among pregnant women who quit smoking that was tailored on their high risk of relapse (eg, had strong intentions to return).