What is levonorgestrel?

Health TheUberRazorBack July 25, 2016 0 12
Levonorgestrel is a widely used fabric with respect to contraception. But what is it actually matter and what it creates? Read this article about the molecular substance itself, what products you can find this substance and what the effect of levonorgestrel is.

Chemical information

Levonorgestrel is an organic substance with a narrow molecule, with the following molecular formula: C21H28O2. The structural formula is made up of several benzene rings with side branches. The substance is a progestin, a synthetic progestogen made. A progestogen is a hormone that exhibits the same properties as progesterone. Levonorgestrel is used in medicine as the pill and the morning-after pill. It is also used in the Mirena IUD.

Medications that levonorgestrel is in

  • 72 HOURS
  • Follistrel
  • Jadelle
  • Levlen
  • Levlen Ed
  • Levonelle
  • Levonova
  • Levora-21
  • Levora-28
  • Logynon Ed
  • Malloside
  • Microgest Ed
  • Microgyn
  • Microgynon 21
  • Microgynon 28
  • Microgynon 30 Ed
  • Microgynon CD
  • Microlution
  • Microval
  • Minivlar 30
  • Mirena
  • Monofeme 28
  • Neogynon 21
  • Nordet
  • Nordette
  • Nordette 21
  • Nordette 28
  • NorLevo
  • Norplant
  • Norplant 2
  • Norplant II
  • Ovral-Lo
  • Ovranette
  • Ovrette
  • Plan B
  • Postinor-2
  • Rigevidon 21 + 7
  • Stediril 30
  • Tri-Levlen
  • Tri-Levlen 21
  • Triagynon
  • Triciclor
  • Trifeme 28
  • Trigoa
  • Trinordiol 21
  • Trinordiol 28
  • Trivora

Operation of levonorgestrel

Levonorgestrel provides the shrinkage of the endometrium and thus it prevents implantation of a fertilized egg is not possible. The fabric also ensures that the endometrium is tough and thick, making it difficult for the sperm to penetrate. Often, it also creates a shorter period.

Side effects of levonorgestrel

In addition to the good properties of this substance, there are, of course, also bad. These do it less often. Here is a list of possible side effects.
  • Vomit
  • Nausea
  • Changes in menstrual cycle
  • Dizziness
  • Stomach ache
  • Breast tenderness
  • Headache
  • Diarrhea


  • Both in the pill, and is used at the levonorgestrel intrauterine device, but with the coil 100 times less levonorgestrel is released in a day than when taking the pill.
  • Levonorgestrel reduces the chance of pregnancy for up to 72 hours when it is used as morningafterpil after unprotected sexual intercourse. However, the longer you wait, the more unreliable it is.