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Levonorgestrel

Levonorgestrel is a hormonal medication used in a number of birth control methods. It is combined with an estrogen to make combination birth control pills. As an emergency birth control, sold under the brand names Plan B One-Step and Julie, among others, it is useful within 72 hours of unprotected sex. The more time that has passed since sex, the less…

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3D model (JSmol)
Interactive image
AHFS/Drugs.com
Monograph
ATC code
G03AC03 (WHO) G03AD01 (WHO)
Bioavailability
95% (range 85–100%)
CAS Number
797-63-7 Y
ChEBI
CHEBI:6443 Y

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Overview

Medical uses

Contraindications

Side effects

Overdose

Interactions

Pharmacology

Chemistry

History

Society and culture

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Map overview Semantic statistics

Levonorgestrel

Nodes204
Edges203
Triples248
Avg. degree1.99
Density0.009804
Components1

How this topic connects Entity context

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Levonorgestrel

Top relations

related to Brand names · 81
Levonorgestrel → Alesse, Altavera, Alysena, Amethia, Amethyst, As, Ashlyna, Aviane, Camrese, Chateal, Climara Pro, Cycle, Daysee, Emerres, Enpresse, Erlibelle, Escapelle, Falmina, Introvale, Isteranda
related to history · 30
Levonorgestrel → Albert Yuzpe, August, Drug Administration, Eugynon, Following, Food, Germany, Ho, Hughes, In, It, Kwan, Levonelle, Levonorgestrel-only, Many, Microgynon, Microlut, Microval, Neogynon, Norgestrel
related to Emergency birth control · 17
Levonorgestrel → ECPs, EMA, European Medicines Agency, FIGO, Gynecology, However, In November, International Federation, Language, LNG, LNG ECP, Obstetrics, One, Planned Parenthood, Taking, The, Yuzpe
related to Generic names · 14
Levonorgestrel → BANTooltip British Approved Name, D-norgestrel, DCFTooltip Dénomination Commune Française, DCITTooltip Denominazione Comune Italiana, INNTooltip International Nonproprietary Name, It, JANTooltip Japanese Accepted Name, Name, Schering AG, SH-90999, USANTooltip United States Adopted, USPTooltip United States Pharmacopeia, WY-5104, Wyeth
related to Pharmacokinetics · 8
Levonorgestrel → About, C16β, C2α, Dihydrolevonorgestrel, It, Oxidation, SHBG, The
related to Synthesis · 8
Levonorgestrel → Chinese, DCM, Deprotection, Ethynylation, Norandrostenedione, PC69910702, The, Treatment
related to Accessibility · 7
Levonorgestrel → Indian Health Services, Levonorgestrel-containing, Native Americans, On, One-Step, Plan, United States
related to Birth control · 6
Levonorgestrel → At, Cipla, Daily, In, It, Piramal
related to Interactions · 6
Levonorgestrel → CYP3A4, If, John's, P450, St, These
related to Chemistry · 5
Levonorgestrel → Besides, C13α, C13β, C17β, It

Important terminology Word statistics

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Important terminology

emergency birth control used contraceptive brand contraception effects available combined ethinylestradiol hormone name pregnancy names sex pill use medication medical

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Levonorgestrel3D model (JSmol)Interactive image1.00infobox
LevonorgestrelAHFS/Drugs.comMonograph1.00infobox
LevonorgestrelATC codeG03AC03 (WHO) G03AD01 (WHO)1.00infobox
LevonorgestrelBioavailability95% (range 85–100%)1.00infobox
LevonorgestrelCAS Number797-63-7 Y1.00infobox
LevonorgestrelChEBICHEBI:6443 Y1.00infobox
LevonorgestrelChEMBLChEMBL1389 Y1.00infobox
LevonorgestrelChemSpider12560 Y1.00infobox
LevonorgestrelCompTox Dashboard (EPA)DTXSID30364961.00infobox
LevonorgestrelDrug classProgestogen (medication); Progestin1.00infobox
LevonorgestrelDrugBankDB00367 Y1.00infobox
LevonorgestrelECHA InfoCard100.011.2271.00infobox
LevonorgestrelElimination half-life24–32 hours1.00infobox
LevonorgestrelExcretionUrine: 20–67% Feces: 21–34%1.00infobox
LevonorgestrelFormulaC21H28O21.00infobox
LevonorgestrelIUPHAR/BPS28811.00infobox
LevonorgestrelKEGGD00950 Y1.00infobox
LevonorgestrelLegal statusCA: ℞-only / OTC1.00infobox
LevonorgestrelLegal statusUK: POM (Prescription only)1.00infobox
LevonorgestrelLegal statusUS: ℞-only / OTC1.00infobox
LevonorgestrelLegal statusRx/OTC1.00infobox
LevonorgestrelMedlinePlusa6100211.00infobox
LevonorgestrelMelting point235 to 237 °C (455 to 459 °F)1.00infobox
LevonorgestrelMetabolismLiver (reduction, hydroxylation, conjugation)1.00infobox
LevonorgestrelMetabolites• 5α-Dihydro-LNG1.00infobox
LevonorgestrelMolar mass312.453 g·mol−11.00infobox
LevonorgestrelOther namesLNG; LNG-EC; d-Norgestrel; d(–)-Norgestrel; D-Norgestrel; WY-5104; SH-90999; NSC-744007; 18-Methylnorethisterone; 17α-Ethynyl-18-methyl-19-nortestosterone; 17α-Ethynyl-18-methyl…1.00infobox
LevonorgestrelPregnancy categoryAU: B31.00infobox
LevonorgestrelPregnancy categoryContraindicated1.00infobox
LevonorgestrelProtein binding98% (50% to albumin, 48% to SHBGTooltip sex hormone-binding globulin)1.00infobox

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