2014年4月1日 · There are four methods of emergency contraception currently approved by the FDA: combined oral contraceptive pills (i.e., Yuzpe method), progestin-only pills containing levonorgestrel, ulipristal...

The Yuzpe regimen is a method of emergency contraception that uses a combination of ethinyl estradiol and levonorgestrel, specifically 1 mg of norgestrel (or 0.50mg of levonorgestrel) and 100 mcg of ethinyl estradiol ASAP and again in 12 hrs.

2022年5月5日 · The Yuzpe method is the least effective form of emergency contraception, but it still significantly lowers the chance of pregnancy compared to not using emergency contraception at all. It’s most effective in the 72 hours (3 days) after having sex, but can be used up to 120 hours (5 days) after sex.

2021年11月9日 · Methods of emergency contraception are the copper-bearing intrauterine devices (IUDs) and the emergency contraceptive pills (ECPs). A copper-bearing IUD is the most effective form of emergency contraception available.

The most commonly used emergency contraceptive is the Yuzpe regimen, which combines 100 mg of ethinyl estradiol with either 0.5 mg of levonorgestrel or 1.0 mg of norgestrel, in two doses...

2000年11月15日 · In 1977, Yuzpe and Lancee 5 introduced a regimen for emergency contraception consisting of ethinyl estradiol, 100 μg, and levonorgestrel, 0.5 mg, to be taken within 72 hours of unprotected...

The Yuzpe method is another regimen. It consists of 2 tablets, each containing ethinyl estradiol 50 mcg and levonorgestrel 0.25 mg, followed by 2 more tablets taken 12 hours later but within 72 hours of unprotected intercourse.