Use of hormonal contraceptives and occurrence of pregnancy-related pelvic pain: a prospective cohort study in Norway
<p>Abstract</p> <p>Background</p> <p>Pregnancy-related pelvic pain is a common condition, and use of hormonal contraceptives before pregnancy has been proposed as a risk factor. We used data from a sub-sample of women participating in the "Norwegian Women and Cance...
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| Format: | Book |
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BMC,
2004-06-01T00:00:00Z.
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| Summary: | <p>Abstract</p> <p>Background</p> <p>Pregnancy-related pelvic pain is a common condition, and use of hormonal contraceptives before pregnancy has been proposed as a risk factor. We used data from a sub-sample of women participating in the "Norwegian Women and Cancer study" (NOWAC) to assess the association between hormonal contraceptive use and pelvic pain in pregnancy.</p> <p>Methods</p> <p>From a sub-group of 2078 parous women participating in the NOWAC study, information was collected from a self-instructive four-page questionnaire containing questions about lifestyle and medical conditions. We calculated odds ratios (OR) and 95% confidence intervals (CI), using unconditional logistic regression.</p> <p>Results</p> <p>In this study, the prevalence of pelvic pain in women was 26.5% during the first pregnancy and increased with parity. Use of hormonal contraceptives before a woman's first pregnancy was associated with an increased risk of pelvic pain in her first pregnancy (OR = 1.6; 95% confidence interval 1.2-2.2). There was no association between use of hormonal contraceptives and pelvic pain in the second or third pregnancy. Occurrence of pelvic pain in a previous pregnancy was the only factor associated with pelvic pain in subsequent pregnancies (OR = 51.1; 95% CI 32.9-79.5 in the second pregnancy and OR = 28.3; 95% CI 15.4-53.1 in the third pregnancy).</p> <p>Conclusion</p> <p>Use of hormonal contraceptives was associated with an increased risk of pelvic pain in a woman's first pregnancy. The most important determinant of pelvic pain in the second or third pregnancy was the history of pelvic pain in the preceding pregnancy.</p> |
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| Item Description: | 10.1186/1471-2393-4-11 1471-2393 |