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Understanding Changes in Stool During Your Period: What You Need to Know

menstrual cycle period Aug 21, 2023

As women, our bodies undergo various changes during menstruation, and it's not uncommon to experience shifts in bowel movements. In this blog post, we'll explore why some women may notice differences in their stool during their period and shed light on what's considered normal.

Hormonal Fluctuations and Digestion:
Hormones play a crucial role in our menstrual cycle, and their fluctuations can impact our digestive system. The rise and fall of estrogen and progesterone can influence bowel movements, leading to changes in stool consistency and appearance.

Diarrhoea or Loose Stools:
For some women, menstrual hormones can trigger increased prostaglandin production, which stimulates uterine contractions but may also affect the intestines. This can result in diarrhoea or looser stools during your period.

Constipation:
On the other hand, hormonal changes can also slow down bowel movements for some women, leading to constipation. This occurs when stool passes through the digestive system at a slower rate, resulting in harder stools.

Bloating and Gas:
Hormonal fluctuations can contribute to bloating and increased gas production, making you feel more gassy or bloated during your period. These symptoms are commonly associated with the changes in hormone levels.

Water Retention:
Water retention is a common occurrence during menstruation. The excess fluid in your body can affect the digestive system, potentially contributing to changes in stool consistency.

Individual Variations and Seeking Professional Advice:
It's essential to remember that not all women will experience significant changes in their stool during their period, and the extent of these changes can vary from person to person. If you have concerns about your digestive health or notice severe or persistent changes in your stool patterns, it's always a good idea to consult with a healthcare professional for personalised advice and guidance.


Experiencing changes in your stool during your period is a normal occurrence for many women. Hormonal fluctuations, such as increased prostaglandins, can lead to diarrhoea or constipation. Bloating, gas, and water retention are also common symptoms. However, it's crucial to pay attention to any unusual or persistent changes and seek medical advice if needed. Understanding these factors can help you feel more informed and confident in managing your digestive health during your menstrual cycle.

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This blog is the view of personal opinion, please be advised to seek any further medical advice and that this information should be interpreted with caution.