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- Title
Plan B emergency contraceptive may be ineffective for heavier women.
- Authors
Eggertson, Laura
- Abstract
The article reports on the result of a 2011 meta-analysis, which concluded that the emergency contraceptive formulation of levonergestrel marketed by HRA Pharma as Plan B in Canada is ineffective in women who weigh 165 pounds or more. HRA Pharma changed its labeling on its Norlevo brand of levonorgestrel to address this problem. A review of the formulation is undertaken by the U.S. Food and Drug Administration (FDA).
- Subjects
CONTRACEPTIVE drugs; UNITED States. Food &; Drug Administration; HRA Pharma SA; WOMEN'S health; OVERWEIGHT women; HEALTH
- Publication
Canadian Medical Association Journal (CMAJ), 2014, Vol 186, Issue 1, pE21
- Publication type
Article
- DOI
10.1503/cmaj.109-4671