from medical-dictionary.thefreedictionary

Endometriosis was once called the “career woman's disease” because it was thought to be a product of delayed childbearing. The statistics defy such a narrow generalization; however, pregnancy may slow the progress of the condition. A more important predictor of a woman's risk is if her female relatives have endometriosis. Another influencing factor is the length of a woman's menstrual cycle. Women whose periods last longer than a week with an interval of less than 27 days between them seem to be more prone to the condition.


Scand J Work Environ Health. 2009 May;35(3):233-40. Epub 2009 Apr 17.Lifetime occupational history and risk of endometriosis. Marino JL, Holt VL, Chen C, Davis S. Source Discipline of Obstetrics and Gynaecology, University of Adelaide, Adelaide SA 5000, Australia. jennifer.marino@adelaide.edu.au Abstract


Endometriosis is the presence of functioning endometrial glands and stroma outside the uterine cavity, most often in the pelvic peritoneal cavity. Women with endometriosis commonly have dysmenorrhea, dyspareunia, pain, menorrhagia, and/or metrorrhagia. Disease complications can include adhesions, chronic pain, and infertility. In this exploratory case-control study, we investigated the relationship between lifetime occupational history and surgically confirmed endometriosis in a population-based sample.


We conducted interviews with participants, all reproductive-aged female members of a large health-maintenance organization who were first diagnosed with surgically confirmed endometriosis between April 1, 1996 and March 31, 2001. Interviews were also conducted with randomly selected controls, reproductive-aged female enrollees of the same organization from the same time period. Each reported job was coded using US Census Occupations and Industries codes, and classified into categories. We used unconditional logistic regression to compare having worked in a given job class with never having done so.


Our study found that an increased risk of endometriosis was associated with having worked as a flight attendant, service station attendant, or health worker, particularly as a nurse or health aide (flight attendant: odds ratio (OR) 9.80, 95% CI 1.08-89.02; service station attendant: OR 5.77, 95% CI 1.03-32.43; health worker: OR 1.49, 95% CI 1.03-2.15). Income and education did not make a difference in the OR estimates for the occupations examined.


This exploratory study suggested that there might be an associated risk of endometriosis for those women who have worked as a flight attendant, service station attendant, or health worker, particularly a nurse. 1)

Comorbidities: https://en.wikipedia.org/wiki/Endometriosis

“A trend towards higher levels of 1,25-dihydroxyvitamin-D(3) and Ca(2+) was observed in women with endometriosis, but differences did not reach statistical significance.” 2)

Human cycling endometrium may be included among the extrarenal sites able to synthesize vitamin D. 3)

Members' experience

Member who joined in 2006 had a hysterectomy in 1994

for Endometriosis with unexplained “calcification deposits” (in medical paperwork).


Marino JL, Holt VL, Chen C, Davis S. Lifetime occupational history and risk of endometriosis. Scand J Work Environ Health. 2009 May;35(3):233-40. doi: 10.5271/sjweh.1317. Epub 2009 Apr 17.
[PMID: 19377833] [PMCID: 2923470] [DOI: 10.5271/sjweh.1317]
Somigliana E, Panina-Bordignon P, Murone S, Di Lucia P, Vercellini P, Vigano P. Vitamin D reserve is higher in women with endometriosis. Hum Reprod. 2007 Aug;22(8):2273-8. doi: 10.1093/humrep/dem142. Epub 2007 Jun 4.
[PMID: 17548365] [DOI: 10.1093/humrep/dem142]
Viganò P, Lattuada D, Mangioni S, Ermellino L, Vignali M, Caporizzo E, Panina-Bordignon P, Besozzi M, Di Blasio AM. Cycling and early pregnant endometrium as a site of regulated expression of the vitamin D system. J Mol Endocrinol. 2006 Jun;36(3):415-24. doi: 10.1677/jme.1.01946.
[PMID: 16720713] [DOI: 10.1677/jme.1.01946]
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