A synthetic progestational hormone with actions similar to those of PROGESTERONE and about twice as potent as its racemic or (+-)-isomer (NORGESTREL). It is used for contraception, control of menstrual disorders, and treatment of endometriosis.
Synonyms: Mirena, Norgeston, Capronor, Levonorgestrel, Plan B, 5W7SIA7YZW, Norplant 2, D-Norgestrel, Microval, Norplant, 18,19-dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(-)-, 0, l-Norgestrel, Microlut, Cerazet, Vikela, NorLevo, Norplant2, duofem, D Norgestrel, l Norgestrel, Norplant-2
Instance information
1992; use LEVONORGESTREL (NM) 1980-1991; for D-NORGESTREL use NORGESTREL 1978-2001 ,1992; LEVONORGESTREL was indexed under NORGESTREL 1980-1991; for D-NORGESTREL use NORGESTREL 1978-2001
D016912