Background Levonorgestrel, a standard drug for emergency contraception (EC), is not
effective if administered post-ovulation. A cyclo-oxygenase inhibitor could contribute …

The United States Food and Drug Administration‐approved progestin‐only dosing strategy
for emergency contraception is levonorgestrel 0.75 mg taken as soon as possible within 72 …

Background Unintended pregnancy is a complex phenomenon which raise to take an
emergency decision. Low contraceptive prevalence and high user failure rates are the …

Atrial by the World Health Organization pub-lished in 1998 established “levonorgestrel only”
as the gold standard in hormonal emergency contraception. 1 Over 80 countries have now …

Abstract BACKGROUND: Levonorgestrel (0.75 mg given for two doses 12 h apart) has been
proven to be an effective regimen for emergency contraception when the first dose is given …

BACKGROUND: Levonorgestrel is an effective method for emergency contraception (EC)
and is used worldwide. Consistent with its mechanism of action in delaying ovulation, the …

The last decade has seen a huge interest in emergency contraception (EC) because of the
potential it has to reduce abortion rates. A variety of hormonal methods is available although …

Emergency contraception can be used to avoid pregnancy when coitus occurred during the
fertile period. It is useful for young people who engage in sporadic unprotected sexual …

Background A single 10 mg dose of mifepristone, and two 0· 75 mg doses of levonorgestrel
12 h apart, are effective for emergency contraception. Because no studies had compared the …

Background Emergency contraception can prevent unintended pregnancies, but current
methods are only effective if used as soon as possible after sexual intercourse and before …