Problem/Objective: To characterize women who smoked during pregnancy and used any tobacco cessation method in a population-based sample. Methods: We analyzed data from the population-based New Jersey (NJ) Pregnancy Risk Assessment Monitoring System (PRAMS) for women who had a live birth in 2004. Data were weighted to represent all women delivering live infants, and descriptive statistics were computed using SAS callable SUDAAN. Results: Of those women who smoked in the three months before pregnancy, 47.5% quit on or before they learned they were pregnant, 4.8% quit after they learned they were pregnant and 47.7% smoked in the last trimester of pregnancy. Compared with women who quit earlier in pregnancy, women who smoked in the last trimester of pregnancy were more likely to be non-Hispanic white, single, nulliparous, enter prenatal care late, Medicaid-insured, less educated and smoke heavily. Of women who continued to smoke in the last trimester of pregnancy, 10.9% reported using any tobacco cessation method (self help materials, counseling, medications, hotlines or websites), 53% tried to quit without a method, 24% did not report a method, and 11% did not try to quit or cut back at all. The most frequently reported barriers to quitting were ‘cravings for a cigarette' (77.5%), ‘loss of a way to handle stress' (57.8%) and ‘other people around me smoke' (57%). Conclusions: Very few NJ women who smoked during pregnancy used tobacco cessation method to help them quit. Proven tobacco cessation methods need to be promoted and accessible to pregnant women.