Intended and unintended births in the United States, 1982-2010

Mosher, William D., author.
Hyattsville, MD : U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2012.

Sexual activity and contraceptive practices among teenagers in the United States, 1988 and 1995.

Abma, Joyce C.
Hyattsville, Md. : U.S. Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics ; Washington, DC : For sale by U.S. G.P.O., Supt. of Docs., [2001]

Sexual activity and contraceptive use among teenagers in the United States, 2011-2015

Abma, Joyce C., author.
Hyattsville, MD : U.S. Department of Health & Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, 2017.