Obstetrics and gynecology
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Obstetrics and gynecology · Dec 2007
Review Meta AnalysisAdvance provision of emergency contraception for pregnancy prevention: a meta-analysis.
Advance provision of emergency contraception can circumvent some obstacles to timely use. We performed a meta-analysis to summarize randomized controlled trials evaluating advance provision of emergency contraception to explore effects on pregnancy rates, sexually transmitted infections, and sexual and contraceptive behaviors. ⋯ III.