Endometriosis

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Scope

What is the prevalence of endometriosis in the general population?

Rate (age, sex ratio)	Context (population size studied, location, date data taken, end-point measured)	Definition of end-point	Reference
Prevalence of endometriosis is 2.0% and the annual incidence is less than 0.3% for women in their early forties.	n=4034, Sør-Trøndelag (Norway), endometriosis		MOEN M. H.; SCHEI B.; Epidemiology of endometriosis in a Norwegian county. Acta obstetricia et gynecologica Scandinavica 1997, vol. 76, no6, pp. 559-562
16 million women (estimate)	EU member states, endometriosis		http://www.endonetwork.eu/
Because of the need for surgical diagnosis, the prevalence of endometriosis in the general population is unknown. Estimates from asymptomatic fertile subpopulations undergoing tubal ligation have varied greatly from 0.7 – 43% around a mean of 4% (Eskanazi and Warner, 1997). However, up to 90% of those women were diagnosed with minimal or mild endometriosis.	Endometriosis	Surgical diagnosis	Krina T. Zondervan, Lon R. Cardon and Stephen H. Kennedy. What makes a good case–control study? Design issues for complex traits such as endometriosis Human Reproduction, Vol. 17, No. 6, 1415-1423, June 2002
0.7% in women undergoing tubal anastomosis 1.6% for laparoscopic tubal ligation 11.3% for abdominal hysterectomy 31% for operative laparoscopy. On the basis of these data, a prevalence of 10 % can be estimated.	Endometriosis		David L. Olive, and Lisa Barrie Schwartz. Endometriosis. Medical Progess Volume 328:1759-1769 June 17, 1993 Number 24