Risk Factors for Functional Ovarian Cysts

We evaluated risk factors for functional ovarian cysts using data from a case-control study conducted in Milan. Cases were 68 women with histologically confirmed functional cysts. Controls were 272 women admitted to hospital for acute conditions. Compared with women who were 11 years of age or young...

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Bibliographic Details
Published in:Epidemiology (Cambridge, Mass.) Mass.), 1996-09, Vol.7 (5), p.547-549
Main Authors: Parazzini, Fabio, Moroni, Simona, Negri, Eva, La Vecchia, Carlo, Pino, Daniela Dal, Ricci, Elena
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Body mass index
Brief Reports
Case control studies
Confidence Intervals
Cysts
Epidemiology
Female
Female genital diseases
Gender equality
Gynecology. Andrology. Obstetrics
Humans
Italy - epidemiology
Medical sciences
Menarche
Middle Aged
Odds Ratio
Operating rooms
Oral contraceptives
Ovarian cysts
Ovarian Cysts - epidemiology
Ovarian Cysts - etiology
Predisposing factors
Regression Analysis
Risk Factors
Socioeconomic Factors
Tumors
Citations: Items that cite this one
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Summary:We evaluated risk factors for functional ovarian cysts using data from a case-control study conducted in Milan. Cases were 68 women with histologically confirmed functional cysts. Controls were 272 women admitted to hospital for acute conditions. Compared with women who were 11 years of age or younger at menarche, women who experienced menarche at 12-13 years or at 14 years or later had odds ratios (ORs) of 0.9 [95% confidence interval (CI) = 0.5-1.6] and 0.4 (95% CI = 0.2-0.9). In comparison with women reporting menstrual cycles lasting less than 26 days, the OR was 1.8 (95% CI = 0.7-5.0) in women reporting cycles lasting 26-30 days, 1.8 (95% CI = 0.4-7.4) in those reporting cycles greater than 30 days, and 1.9 (95% CI = 0.4-7.7) in those with totally irregular cycles. Body mass was inversely related to the risk of functional ovarian cysts: compared with women with a Quetelet index below 20, the OR was 0.9 (95% CI = 0.5-1.7) in those with an index in the range from 20-24 and 0.5 (95% CI = 0.2-1.2) in those with an index of 25 or more. We found little relation between the risk of functional ovarian cysts and education, smoking, marital status, or age at first marriage. For oral contraceptive use, we found an OR of 1.3 (95% CI = 0.7-2.6).
ISSN:1044-3983
1531-5487
DOI:10.1097/00001648-199609000-00019