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Study Levonorgestrel only treatment had a third as many failures as the current method a pregnancy rate of 1.1% compared to 3.2%. the results were better if the new treatment was given with in 12 hour of sex.
Link :
BBC News,
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14 country study by the WHO tested the two kind of pill 1,955 women, average age 27, who reported to clinics after having unprotected sex. About half were given two hour more pill and a follow up dose 12 hour later. The ot.
Link :
Science News Online (8/15/98), Non Estrogen Morning after Pill works best.
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The United states food & Drug Administration (FDA) approved Levonorgestrel for Emergency Contraception in July 1999. .
Link :
Pharmacotherapy 2007;27(2):278-284
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Levonorgestrel only Emergency Contraception was recommended for approval as a nonprescrition drug in 2003 by a combined panel of the FDA\'s Advisory Committee on Reproductive Health Drugs & its Advisory Committee on nonprescription drugs..
Link :
Pharmacotherapy 2007;(2):275-284
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