Association between Sexual Activity during Menstruation and Endometriosis: A Case-Control Study
Sanaz Mollazadeh1, Behnaz Sadeghzadeh Oskouei2, Mahin Kamalifard2
1Students' Research Committee, Nursing and Midwifery Faculty, Tabriz University of Medical Sciences, Tabriz, Iran.
International Journal of Fertility & Sterility
|July 17, 2019
Summary
Sexual activity during menstruation, particularly activities leading to orgasm, is associated with a higher risk of endometriosis. This finding highlights a potential risk factor for this common gynecological condition.
Area of Science:
- Gynecology
- Reproductive Health
- Epidemiology
Background:
- Endometriosis affects 7-10% of women, with risk factors including early menarche and nulliparity.
- Retrograde menstruation is a key theory in endometriosis development.
- Sexual activity during menstruation may increase retrograde menstruation and endometriosis risk.
Purpose of the Study:
- To investigate the association between sexual activity during menstruation and endometriosis.
- To identify potential risk factors for endometriosis in reproductive-aged women.
Main Methods:
- A case-control study involving 555 women in Iran (2017).
- 185 women with confirmed endometriosis (cases) and 370 women without endometriosis (controls).
- Data collected via questionnaire; analyzed using chi-squared and logistic regression.
Main Results:
- Significant difference in sexual activity during menstruation between cases and controls.
- Higher incidence of endometriosis among women reporting sexual activity leading to orgasm during menstruation.
Conclusions:
- Sexual activities leading to orgasm during menstruation are associated with endometriosis.
- Findings suggest a modifiable risk factor for endometriosis.
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