Here's more evidence (very recent too) that abstinence-only education is more effective than the contraceptive-based "comprehensive" s3x education the pro-RH fanatics love so much.
Efficacy of a Theory-Based Abstinence-Only Intervention Over 24 Months
A Randomized Controlled Trial With Young Adolescents
Arch Pediatr Adolesc Med. 2010;164(2):152-159.
http://archpedi.ama-assn.org/cgi/con...ract/164/2/152
Results: The participants' mean age was 12.2 years; 53.5% were girls; and 84.4% were still enrolled at 24 months. Abstinence-only intervention reduced sexual initiation (risk ratio [RR], 0.67; 95% confidence interval [CI], 0.48-0.96). The model-estimated probability of ever having sexual intercourse by the 24-month follow-up was 33.5% in the abstinence-only intervention and 48.5% in the control group. Fewer abstinence-only intervention participants (20.6%) than control participants (29.0%) reported having coitus in the previous 3 months during the follow-up period (RR, 0.94; 95% CI, 0.90-0.99). Abstinence-only intervention did not affect condom use. The 8-hour (RR, 0.96; 95% CI, 0.92-1.00) and 12-hour comprehensive (RR, 0.95; 95% CI, 0.91-0.99) interventions reduced reports of having multiple partners compared with the control group. No other differences between interventions and controls were significant.
Conclusion: Theory-based abstinence-only interventions may have an important role in preventing adolescent sexual involvement.

More info on abstinence and purity at
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