摘要：Background : High incidence of menstrual disorders at late ages of fertility accounts for 20% of clinical visits and 25% of gynecological surgeries. This study was conducted to identify the relationship between delivery type and menstrual disorders in women referring to hospitals affiliated to Medical Universities in Tehran in 2008. Methods : In this case-control study, which was conducted from April to August, 2008 in Tehran, 160 women aged 36 to 44 years, 8o women with and 80 without menstrual disorder as case and control groups were enrolled respectively. Data collection tool was a questionnaire (included questions regarding demographic and obstetrical characteristics). Higham pictorial chart (scores more than 80 denoted menorrhagia), a verbal multidimensional scoring scale (from 0 for painless to 3 for severe pain), and Holmes-Rahe scale for assessing stress were used. Results : About 93.1% of the cases and 65% of the controls had experienced dysmenorrhea at the begging of the study ( P =0.009). In other words, 65% of women with dysmenorrhea had a history of C-section. Women with menstrual disorders had more caesarian sections (53.7%) than those without the disorders (27.5%) ( P < 0.001) with an odds ratio estimate of 3.06 [95% CI: 1.58, 5.91]. There were significant differences in the number of pads/tampons used ( P =0.009) and amount of uterine bleeding based on Higham chart ( P =0.009) among case and control group. Conclusion : Caesarian may be considered as a risk factor for menstrual disorders particularly at late ages of fertility. Therefore, pregnant women should be consulted by health providers regarding advantages versus disadvantages of caesarian before selective C-section.
其他摘要：Background : High incidence of menstrual disorders at late ages of fertility accounts for 20% of clinical visits and 25% of gynecological surgeries. This study was conducted to identify the relationship between delivery type and menstrual disorders in women referring to hospitals affiliated to Medical Universities in Tehran in 2008. Methods : In this case-control study, which was conducted from April to August, 2008 in Tehran, 160 women aged 36 to 44 years, 8o women with and 80 without menstrual disorder as case and control groups were enrolled respectively. Data collection tool was a questionnaire (included questions regarding demographic and obstetrical characteristics). Higham pictorial chart (scores more than 80 denoted menorrhagia), a verbal multidimensional scoring scale (from 0 for painless to 3 for severe pain), and Holmes-Rahe scale for assessing stress were used. Results : About 93.1% of the cases and 65% of the controls had experienced dysmenorrhea at the begging of the study ( P =0.009). In other words, 65% of women with dysmenorrhea had a history of C-section. Women with menstrual disorders had more caesarian sections (53.7%) than those without the disorders (27.5%) ( P < 0.001) with an odds ratio estimate of 3.06 [95% CI: 1.58, 5.91]. There were significant differences in the number of pads/tampons used ( P =0.009) and amount of uterine bleeding based on Higham chart ( P =0.009) among case and control group. Conclusion : Caesarian may be considered as a risk factor for menstrual disorders particularly at late ages of fertility. Therefore, pregnant women should be consulted by health providers regarding advantages versus disadvantages of caesarian before selective C-section.
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