The second update of the U.S. Department of Health and Human Services' Teen Pregnancy Prevention Evidence Review has identified four new programs with evidence of effectiveness， bringing the total number of effective program models listed by the review to 35.

Among the 35 programs are youth development programs， HIV-prevention curricula， abstinence approaches， and comprehensive sex education models. The four new programs identified are Families Talking Together， which intervenes with an adolescent’s mother to reduce the teen's sexual risk behavior.

HIP Teens， a sexual-risk-reduction intervention for low-income， urban， sexually active adolescent girls.

Project IMAGE， a cognitive behavioral intervention intended to reduce new STIs among ethnic minority young women with a history of sexual or physical abuse and STIs.

STRIVE， a family-based intervention intended to reduce sexual risk behaviors， substance use， and delinquency among youth who have recently run away from home.

In addition to identifying new program models with evidence of effectiveness， the updated results also identified two additional evaluation studies of program models already in the review. The new studies bring to three the number of program models backed by more than one rigorous evaluation： Be Proud！ Be Responsible！ All4You！ and It’s Your Game： Keep it Real.

HHS's Teen Pregnancy Prevention Evidence Review provides information on programs that demonstrate favorable， statistically significant impacts on sexual activity， contraceptive use， sexually transmitted infections， pregnancies， or births among young people ages 19 and younger. Programs have been identified through an independent， systematic review of the teen pregnancy prevention literature backed by evaluation studies that have passed a quality bar.

The updated review includes research through April 2013； more than 500 relevent studies have been identified since the review began in 2009. HHS grant programs， including the Teen Pregnancy Prevention Program and the Personal Responsibility Education Program， have used the TPP Evidence Review to fund the use and expansion of evidence-based adolescent pregnancy prevention programs in communities.

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