TY - JOUR T1 - Improved access to emergency contraception did not increase risky sexual behaviour in adolescents JF - Evidence Based Medicine JO - Evid Based Med SP - 80 LP - 80 DO - 10.1136/ebm.11.3.80 VL - 11 IS - 3 A2 - , Y1 - 2006/06/01 UR - http://ebm.bmj.com/content/11/3/80.abstract N2 - Harper CC, Cheong M, Rocca CH, et al. The effect of increased access to emergency contraception among young adolescents. Obstet Gynecol 2005;106:483–91.OpenUrlPubMedWeb of Science 
 
 Q In adolescents, does easier access to emergency contraception (EC) increase rates of unprotected intercourse, sexually transmitted disease (STD), and pregnancy? Clinical impact ratings GP/FP/Primary care ★★★★★★☆ Emergency medicine ★★★★★★☆ Gynaecology ★★★★★★☆ Design: subgroup analysis of a randomised controlled trial. Allocation: {concealed*}†. Blinding: blinded {data collectors, healthcare providers, outcome assessors, and all data analysts}†.* Follow up period: 6 months. Setting: 4 clinics in the San Francisco Bay Area, California, USA. Participants: from a larger trial of 2117 women, 964 adolescents who were 15–19 years of age (mean age 17 y); were not pregnant and did not wish to become pregnant; and were using oral contraceptives, condoms, other barriers, or no contraceptive methods. Exclusion criteria: request for EC or unprotected intercourse in the previous 3 days. Intervention: pharmacy access to EC (n = 372), advance provision of 3 packs of levonorgestrel (Plan B) EC (n = 379), and clinic access (n = 142). Outcomes: contraceptive behaviours, STDs, and pregnancy. Patient follow up: 93% … ER -