Comment on

• Can changes in sexual behaviors among high school students explain the decline in teen pregnancy rates in the 1990s?

  Santelli JS, Abma J, Ventura S, Lindberg L, Morrow B, Anderson JE, Lyss S, Hamilton BE. Santelli JS, et al. J Adolesc Health. 2004 Aug;35(2):80-90. doi: 10.1016/j.jadohealth.2004.05.001. J Adolesc Health. 2004. PMID: 15261636
• Emergency contraception use is correlated with increased condom use among adolescents: results from Mexico.

  Walker DM, Torres P, Gutierrez JP, Flemming K, Bertozzi SM. Walker DM, et al. J Adolesc Health. 2004 Oct;35(4):329-34. doi: 10.1016/j.jadohealth.2004.07.001. J Adolesc Health. 2004. PMID: 15450547 Clinical Trial.