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Systematic review, 1998

Do stomach and intestinal symptoms change during the menstrual cycle?

Yes. About one-third of women without usual gut problems get gut symptoms around their period. Almost half of women with irritable bowel syndrome report their symptoms get worse perimenstrually.

Strong study design Women in general, including asymptomatic women and women with irritable bowel syndrome.

What they did

Systematic review of studies examining whether gastrointestinal symptoms vary across the menstrual cycle, including both physiological studies and symptom-based studies.

What they found

One-third of otherwise asymptomatic women experience gastrointestinal symptoms at the time of menstruation. Almost 50% of women with irritable bowel syndrome report a perimenstrual increase in symptoms.

What it means for you

Digestive symptoms commonly worsen around your period. This is helpful to know if you are investigating pelvic pain or other digestive issues, as the same condition (like endometriosis) causes different symptoms at different times of the cycle.

one-third

asymptomatic women with GI symptoms

almost 50%

women with IBS reporting perimenstrual symptoms

About the study

Original title
Do gastrointestinal symptoms vary with the menstrual cycle?
Authors
Moore J, Barlow D, Jewell D et al.
Journal
British journal of obstetrics and gynaecology
Year
1998
Study design
Systematic review
What was tested
None. This was an observational review.

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