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Uregelmessige blødninger - hva kan årsaken være?

Uregelmessige blødninger er enhver blødning fra livmoren utenom den normale menstruasjonsperioden. Også sporblødninger og blødninger etter samleie kalles uregelmessige blødninger.

Illustrasjonsfoto av ung kvinne som holder en hånd over kjeven og ser plaget ut
Uregelmessige eller unormale blødninger skyldes oftest hormonforstyrrelser. Illustrasjonsfoto: Colourbox

Sist oppdatert:

27. juni 2023

Dette dokumentet er basert på det profesjonelle dokumentet Gynekologiske blødningsforstyrrelser . Referanselisten for dette dokumentet vises nedenfor

  1. Munro MG, Critchley HOD, Fraser IS et al. The two FIGO systems for normal and abnormal uterine bleeding symptoms and classification of causes of abnormal uterine bleeding in the reproductive years: 2018 revisions. Int J Gynecol Obstet 2018; 143: 393-408. pmid:30198563 PubMed
  2. Eraker R. et al. Gynekologiske blødningsforstyrrelser. Norsk gynekologisk forening Veileder i gynekologi (2023). ePub. ISBN 978-82-692382-1-1. [hentet 26. juni 2023]. www.legeforeningen.no
  3. Knol HM, Mulder AB, Bogchelman DH et al. The prevalence of underlying bleeding disorders in patients with heavy menstrual bleeding with and without gynecologic abnormalities. Am J Obstet Gynecol. 2013;209:202.e1-7. PMID: 23727521. PubMed
  4. Jacobson AE, Vesely SK, Koch T, et al. Patterns of von Willebrand Disease Screening in Girls and Adolescents With Heavy Menstrual Bleeding. Obstet Gynecol 2018. pmid:29742662 PubMed
  5. Aggarwal P, Ben Amor A. Cervical Ectropion. 2023 May 31. In: StatPearls Internet. Treasure Island (FL): StatPearls Publishing; 2023 Jan–. PMID: 32809544 PubMed
  6. National Institute for Health and Care Excellence. Heavy menstrual bleeding: assessment and management. NICE guideline NG88. Published date: March 2018 Last updated: 24 May 2021. Cited Jun 2023. www.nice.org.uk
  7. Davis E, Sparzak PB. Abnormal Uterine Bleeding (Dysfunctional Uterine Bleeding). StatPearls Internet. Treasure Island (FL). Last update Sept 2022 Aug 2. Cited June 2023. PMID: 30422508 PubMed
  8. Wouk N, Helton M. Abnormal Uterine Bleeding in Premenopausal Women. Am Fam Phys 2019; 99: 435-43. pmid:30932448 PubMed
  9. Bofill Rodriguez M, Lethaby A, Low C, Cameron IT. Cyclical progestogens for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2019, Issue 8. Art. No.: CD001016. DOI: 10.1002/14651858.CD001016.pub3 DOI
  10. Lethaby A, Wise MR, Weterings MAJ et al. Combined hormonal contraceptives for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2019, Issue 2. Art. No.: CD000154. DOI: 10.1002/14651858.CD000154.pub3. The Cochrane Library
  11. Bofill Rodriguez M, Lethaby A, Jordan V. Progestogen-releasing intrauterine systems for heavy menstrual bleeding. Cochrane Database Syst Rev. 2020 Jun 12;6:CD002126. doi: 10.1002/14651858.CD002126.pub4. DOI
  12. Matteson KA, Valcin J, Raker CA, Clark MA. A randomized trial comparing the 52-mg levonorgestrel system with combination oral contraceptives for treatment of heavy menstrual bleeding. Am J Obstet Gynecol 2023. pmid:37536486 PubMed
  13. Bryant‐Smith AC, Lethaby A, Farquhar C, Hickey M. Antifibrinolytics for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2018, Issue 4. Art. No.: CD000249. DOI: 10.1002/14651858.CD000249.pub2. The Cochrane Library
  14. Bofill Rodriguez M, Lethaby A, Farquhar C. Non‐steroidal anti‐inflammatory drugs for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2019, Issue 9. Art. No.: CD000400. DOI: 10.1002/14651858.CD000400.pub4. The Cochrane Library
  15. Marjoribanks J, Lethaby A, Farquhar C. Surgery versus medical therapy for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2016, Issue 1. Art. No.: CD003855. DOI: 10.1002/14651858.CD003855.pub3. DOI
  16. Bofill Rodriguez M, Lethaby A, Grigore M, Brown J, Hickey M, Farquhar C. Endometrial resection and ablation techniques for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2019, Issue 1. Art. No.: CD001501. DOI: 10.1002/14651858.CD001501.pub5. The Cochrane Library
  17. Fergusson RJ, Lethaby A, Shepperd S, Farquhar C. Endometrial resection and ablation versus hysterectomy for heavy menstrual bleeding. Cochrane Database of Systematic Reviews 2013, Issue 11. Art. No.: CD000329.pub2. The Cochrane Library
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