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2003 JAN 2 - (NewsRx.com & NewsRx.net) -- Results of an international study suggest that there are three effective therapeutic options for women requiring emergency contraception after sexual intercourse.
Hormone treatment with a single 10 mg dose of mifepristone, and two 0.75 mg doses of levonorgestrel 12 hours apart are known to be effective for emergency contraception - however there is no evidence to suggest that one treatment may be better than another, or that one dose of levonorgestrel may be as effective as two separate doses.
Helena von Hertzen and colleagues from the World Health Organization, Geneva, did a randomized trial in 15 family-planning clinics in 10 countries. Their work, published in the December 7, 2002, Lancet, described 4136 healthy women with regular menstrual cycles who requested emergency contraception within 5 days of unprotected sexual intercourse. The women were randomly assigned to 1 of 3 treatment groups: 10 mg single-dose mifepristone; 1.5 mg single-dose levonorgestrel; or two doses of 0.75 mg levonorgestrel given 12 hours apart.
There were no significant differences in pregnancy rates or side effects between the 3 groups, with an average pregnancy rate of around ...
Source: HighBeam Research, More treatment options available for women requiring emergency...