Levonorgestrel 

Levonorgestrel emergency contraceptive Uses, Side EffectsMar 23, 2020 - Levonorgestrel emergency contraceptive is used to prevent pregnancy after unprotected sex or failure of other forms of birth control (such as Levonorgestrel Oral : Uses, Side Effects, Interactions, PicturesLevonorgestrel is used by women to prevent pregnancy after birth control failure (such as a broken condom) or unprotected sex. This medication is an 
Levonorgestrel - StatPearls - NCBI BookshelfApr 14, 2020 - Levonorgestrel, also known as the morning-after pill, is a first-line oral emergency contraceptive pill that has approval from the World Health Levonorgestrel | C21H28O2 - PubChemLevonorgestrel is a 17beta-hydroxy steroid, a 3-oxo-Delta(4) steroid and a terminal acetylenic compound. It has a role as a contraceptive drug, a progestin, a Levonorgestrel 1.5mg Tablets - Summary of Product  - eMC. At the recommended regimen, levonorgestrel is thought to work mainly by preventing ovulation and fertilisation if intercourse has taken place in the preovulatory Levonorgestrel: MedlinePlus Drug InformationLevonorgestrel is in a class of medications called progestins. It works by preventing the release of an egg from the ovary or preventing fertilization of the egg by sperm (male reproductive cells). It also may work by changing the lining of the uterus (womb) to prevent development of a pregnancyLevonorgestrel - WikipediaLevonorgestrel is a hormonal medication which is used in a number of birth control methods. As an emergency birth control, sold under the brand name Plan B among others, it is useful within 120 hours of unprotected sex