Evid Based Nurs 8:15 doi:10.1136/ebn.8.1.15
  • Treatment

Review: levonorgestrel and mifepristone are effective emergency methods for preventing pregnancy after unprotected intercourse

 Q Which emergency contraceptive methods are the most effective for preventing pregnancy after unprotected intercourse?


GraphicData sources:

Cochrane Library (Issue 1, 2003), Popline, Medline (1966 to April 2003), EMBASE/Excerpta Medica (1980–2003), CINAHL (1982–2003), Biological abstracts database (1985 to April 2003), Chinese Biological Medical discs (1992 to April 2003), World Health Organization resources (July 2003), Emergency Contraception World Wide Web server (April 2003), contacts with experts and pharmaceutical companies, and bibliographies of relevant articles.

GraphicStudy selection and assessment:

randomised controlled trials (RCTs) and controlled clinical trials in any language that compared different emergency contraceptive methods or compared 1 method with expectant management or placebo; reported clinical outcomes; and examined women with regular or irregular menses seeking emergency contraception after unprotected intercourse. Exclusion criteria: studies of women attending clinics for …

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