Teenage Sexual Behavior and Contraceptive Use: An Update Joyce Abma* and Freya L. Sonenstein** April 28, 1998 *National Center for Health Statistics, Centers for Disease Control **The Urban Institute Acknowledgments: Funding for some of the analyses presented in this paper comes from NICHD Grant Number RO1 HD30861. We would like to thank John Marcotte for his statistical consultation and Sean Williams for the extensive help he has provided conducting the data analyses. The opinions expressed are the authors’ views and do not reflect the position of the Urban Institute, the National Center for Health Statistics, or the funders of the surveys,