Smoking during pregnancy increases the risk of premature birth, stillbirth and infant death. iStockphoto hide caption toggle caption iStockphoto Shots - Health News Is It OK To Pay Pregnant Women To Stop Smoking? January 28, 2015 It's notoriously hard to get people to quit smoking. Pregnant women in Scotland were more apt to stop if they got $600 in gift cards. But are those kinds of payments ethical?