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Levonorgestrel

Known as: 18-Methyl-17-alpha-ethynyl-19-nortestosterone, 17-Ethynyl-18-methyl-19-nortestosterone, 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-(-)- 
The levorotatory form of norgestrel and synthetic progestogen with progestational and androgenic activity. Levonorgestrel binds to the progesterone… Expand
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2010
Highly Cited
2010
BACKGROUND Emergency contraception can prevent unintended pregnancies, but current methods are only effective if used as soon as… Expand
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Highly Cited
2005
Highly Cited
2005
BACKGROUND The objective of this multicentre randomized, controlled clinical trial was to compare the efficacy of a… Expand
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Review
2004
Review
2004
CONTEXT Because menorrhagia is often a reason for seeking medical attention, it is important to consider outcomes and costs… Expand
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Highly Cited
2004
Highly Cited
2004
This 1-year randomized study was carried out at family-planning clinics of two university hospitals to compare the safety and… Expand
Highly Cited
2002
Highly Cited
2002
BACKGROUND A single 10 mg dose of mifepristone, and two 0.75 mg doses of levonorgestrel 12 h apart, are effective for emergency… Expand
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Highly Cited
2001
Highly Cited
2001
OBJECTIVE To evaluate the effectiveness of a levonorgestrel-releasing IUD as therapy for endometriosis of the rectovaginal septum… Expand
Highly Cited
1998
Highly Cited
1998
A proniosome based transdermal drug delivery system of levonorgestrel (LN) was developed and extensively characterized both in… Expand
Highly Cited
1997
Highly Cited
1997
OBJECTIVE To evaluate the efficacy and tolerability of treatment with a levonorgestrel-releasing intrauterine device (IUD) in… Expand
Highly Cited
1994
Highly Cited
1994
A 20 micrograms/24 hours levonorgestrel-releasing intrauterine contraceptive device (LNG-IUD) has, in an open randomized… Expand
Highly Cited
1990
Highly Cited
1990
Summary. In 20 women with menorrhagia (>80 ml blood loss per menstrual period) a levonorgestrel‐releasing intrauterine device… Expand