| LN | Levonorgestrel |
|---|---|
| LNG | Levonorgestrel |
| Norplant | Levonorgestrel implants |
| LNG-IUS | levonorgestrel releasing intrauterine system |
| levonorgestrel | <chemical> A progestational hormone with actions similar to those of progesterone and about twice as potent as its racaemic or (+-)-isomer (norgestrel). It is used for contraception, control of menstrual disorders, and treatment of endometriosis. Pharmacological action: contraceptive agents, female, contraceptives, oral, synthetic, progestational hormones, synthetic. Chemical name: 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(-)- (12 Dec 1998) |
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