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Norgestrel MeSH Descriptor Data 2026


MeSH Heading
Norgestrel
Tree Number(s)
D04.210.500.668.651.693.762
Unique ID
D009644
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009644
Scope Note
A synthetic progestational agent with actions similar to those of PROGESTERONE. This racemic or (+-)-form has about half the potency of the levo form (LEVONORGESTREL). Norgestrel is used as a contraceptive, ovulation inhibitor, and for the control of menstrual disorders and endometriosis.
Entry Term(s)
18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(+-)-
DL-Norgestrel
Neogest
Ovrette
Postinor
Wy-3707
Pharm Action
Contraceptives, Oral, Hormonal
Contraceptives, Oral, Synthetic
Registry Numbers
3J8Q1747Z2
0
Related Numbers
6533-00-2
Previous Indexing
Contraceptives, Oral (1966-1971)
Ketones (1966-1971)
Pregnanes (1968-1971)
Progestational Hormones (1966-1971)
Public MeSH Note
72
History Note
72
Date Introduced
1972/01/01
Last Updated
2019/07/08
Norgestrel Preferred
Neogest Narrower
Ovrette Narrower
Postinor Narrower
Wy-3707 Narrower
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