Yuzpe regimen - Wikipedia
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.
An Update on Emergency Contraception | AAFP
Apr 1, 2014 · The Yuzpe method consists of two doses of a combination estrogen/progestin oral contraceptive (100 mcg ethinyl estradiol and 1 mg dl-norgestrel [equivalent to 0.5 mg levonorgestrel])...
Emergency contraception - World Health Organization (WHO)
Nov 9, 2021 · Emergency contraception refers to methods of contraception that can be used to prevent pregnancy after sexual intercourse. These are recommended for use within 5 days but are more effective the sooner they are used after the act of intercourse.
The Yuzpe Method of Emergency Contraception - GoodRx
May 5, 2022 · 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.
Emergency Postcoital Contraception - AAFP
Nov 15, 2000 · 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...
Emergency Contraception - AAFP
Aug 15, 2004 · The Preven Emergency Contraceptive Kit (Yuzpe regimen) consists of four pills, each containing 0.25 mg of levonorgestrel and 0.05 mg of ethinyl estradiol; a urine pregnancy test; and a...
The Yuzpe regimen of emergency contraception: how long after ...
The Yuzpe regimen is equally effective at preventing pregnancy when treatment is started on the first, second or third days after unprotected intercourse. The insistence on taking the first dose as soon as possible may be counterproductive in circumstances when taking the second dose 12 hours later would be difficult.