| Mifepristone:
Efficacy |
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| • | Glasier, et
al, 1992 |
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| – | 800 women and
adolescents |
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| – | Single 600 mg
dose given within 72 hours of unprotected |
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| coitus was
100% effective |
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| • | WHO 1999 |
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| – | 1,700 women |
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| – | 10 mg and 50
mg mifepristone equal in efficacy to 600 mg |
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| dose (85%
decrease in number of pregnancies estimated |
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| to occur
without treatment) |
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| – | Effective up
to 5 days after unprotected sex |
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| Glasier A,
et al. N Engl J Med. 1992;327(15):1041-1044. |
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| Task Force
on Postovulatory Methods of Fertility Regulation. |
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| Lancet.
1999;353:697-702. |
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