|Reproductive and Menstrual Risk Factors for Endometriosis Disease: A Case-Control Study|
|Sanaz Mollazadeh1, Mahin Kamalifard2, Behnaz Sadeghzadeh Oskouei2, Nayyereh Aminisani3, Mehri Jafari Shobeiri4, Mojgan Mirghafourvand5|
|1Students’ Research Committee, Nursing and Midwifery Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
2Nursing and Midwifery Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
3Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran.
4Medicine Faculty, Tabriz University of Medical Sciences, Tabriz, Iran
5Social Determinants of Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Keywords : Case-control study, Reproductive characteristics, Menstrual characteristics, Endometriosis
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Objectives: The endometriosis prevalence in the general population is about 7%-10%. In 30% of women, endometriosis is one of the causes of primary and secondary infertility. There are various risk factors for this disease. The present study aimed to determine the reproductive and menstrual risk factors of endometriosis.
Materials and Methods: In this case-control study, 185 women of reproductive age with confirmed endometriosis were compared with 370 women of reproductive age who referred to the same center for other problems in terms of reproductive and menstruation risk factors for endometriosis. The two groups were matched for age. Data were collected using a researcher-made questionnaire based on previous studies. Finally, bivariate analysis was done by the chi-square test, and multivariate analysis was performed by the conditional logistic regression for controlling confounder variables.
Results: Based on multivariate logistic regression, early menarche age (P = 0.004), no history of pregnancy (P < 0.001), no child (P = 0.002), no lactation history (P < 0.001), high age of the first lactation (P = 0.029), short duration of breastfeeding (P = 0.015), no regular menstruation (P < 0.001), short intervals between menstrual bleedings (P = 0.016), prolonged menstruation (P < 0.001), dysmenorrhea (P < 0.001), dyspareunia (P < 0.001), and recurrent vaginitis (P < 0.001) had a significant relationship with endometriosis.
Conclusions: In general, there was a relationship between some reproductive and menstrual characteristics and endometriosis. Therefore, it seems that these characteristics can predict the occurrence of endometriosis disease.
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