Did teen pregnancy prevention class have opposite effect?

Pretend poopy diapers and hunger cries from a baby doll in a pregnancy prevention class may have backfired

From: http://redirect.viglink.com?u=http%3A%2F%2Fwww.cbsnews.com%2Fnews%2Fdid-this-teen-pregnancy-prevention-program-have-the-opposite-effect%2F&key=ddaed8f51db7bb1330a6f6de768a69b8