[cnn-photo-caption image=http://i2.cdn.turner.com/cnn/2008/HEALTH/12/30/virginity.pledges/art.teen.sexuality.gi.jpg caption="A new study looked at the sexual behavior of hundreds of young people, some of whom took virginity pledges."]
As many as one in eight teens in the United States may take a virginity pledge at some point, vowing to wait until they're married before having sex. But do such pledges work? Are pledge takers more likely than other teens to delay sexual activity?
A new study suggests that the answer is no. While teens who take virginity pledges do delay sexual activity until an average age of 21 (compared to about age 17 for the average American teen), the reason for the delay is more likely due to pledge takers' religious background and conservative views - not the pledge itself.
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