Frequent Urination During Menstruation: Is It Normal? - Obstetrics and Gynecology

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Menstrual period issues?


I would like to ask a question for my sister.
She mentioned that during her menstrual period, she frequently needs to use the restroom to urinate.
However, it seems like she just went and then feels the urge to go again shortly after.
Is this situation normal or abnormal?

Shu Shu, 20~29 year old female. Ask Date: 2016/04/01

Dr. Lin Manying reply Obstetrics and Gynecology


If there is no pain, only frequent urination, and the symptoms disappear after menstruation, it is likely due to the pressure of uterine contractions on the bladder during the menstrual period.

Reply Date: 2016/04/01

More Info


Frequent urination during menstruation can be a common experience for many women, and it can be attributed to several physiological and hormonal changes that occur during this time. While it is often considered normal, understanding the underlying reasons can help clarify whether your sister's experience is typical or if it warrants further investigation.

During menstruation, hormonal fluctuations, particularly changes in estrogen and progesterone levels, can affect the urinary system. Estrogen can increase blood flow to the pelvic area, which may lead to increased sensitivity of the bladder. Additionally, the hormonal changes can also influence the body's fluid balance, leading to increased urine production. This is often compounded by the discomfort or cramping associated with menstruation, which may cause some women to feel the need to urinate more frequently.

Another factor to consider is the physical changes that occur in the body during menstruation. The uterus expands and contracts, which can put pressure on the bladder, leading to a feeling of urgency or the need to urinate more often. This is particularly true if your sister is experiencing bloating or cramping, as these symptoms can further irritate the bladder.

Moreover, some women may also experience increased fluid intake during their menstrual cycle, whether due to hydration habits or the consumption of certain foods and beverages that have diuretic properties. This can also contribute to more frequent trips to the bathroom.

However, while frequent urination during menstruation can be normal, there are instances when it could indicate an underlying issue. For example, if your sister is experiencing other symptoms such as pain during urination, blood in the urine, or a strong, persistent urge to urinate that disrupts her daily activities, it may be worth consulting a healthcare professional. Conditions such as urinary tract infections (UTIs), bladder infections, or other urinary disorders can present with similar symptoms and may require medical attention.

In summary, while frequent urination during menstruation is often a normal occurrence due to hormonal changes and physical pressure on the bladder, it is essential to monitor for any additional symptoms that could indicate a more serious condition. If your sister's symptoms are bothersome or accompanied by other concerning signs, it would be advisable for her to seek medical advice for a thorough evaluation. Regular check-ups and open communication with a healthcare provider can help ensure that any potential issues are addressed promptly.

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