Is It Normal to Experience Blood During Urination and Bowel Movements on Your Period? - Obstetrics and Gynecology

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Blood in urine or stool during menstruation?


Hello doctor, I experience heavy bleeding a few days before my menstrual period, and I notice blood when urinating and during bowel movements.
Sometimes the amount of blood is quite significant, and there are also blood clots.
However, at times, the amount of blood on the sanitary pad is not much.
Is this a normal phenomenon?

DoDo, 30~39 year old female. Ask Date: 2022/09/20

Dr. Chen Zhiyu reply Obstetrics and Gynecology


Hello! It is recommended to continue monitoring.
If you have any concerns or experience other symptoms, please seek medical attention at the obstetrics and gynecology outpatient clinic as soon as possible.
Thank you.

Reply Date: 2022/09/20

More Info


Experiencing blood during urination and bowel movements while on your period can be concerning and is not typically considered a normal phenomenon. Menstruation involves the shedding of the uterine lining, which results in vaginal bleeding. However, if you notice blood in your urine or stool, it may indicate other underlying issues that require further evaluation.

Firstly, let’s clarify the difference between menstrual bleeding and other types of bleeding. Menstrual blood is usually bright red or dark red and comes from the vagina. If you are seeing blood in your urine, it could be a sign of hematuria, which is the presence of blood in the urine. This can be caused by various factors, including urinary tract infections (UTIs), kidney stones, or other kidney-related issues. On the other hand, blood in your stool can indicate gastrointestinal issues such as hemorrhoids, anal fissures, or more serious conditions like inflammatory bowel disease (IBD) or colorectal cancer.

The presence of blood clots during your period is relatively common, especially if you have a heavier flow. Blood clots can occur when the body produces more blood than the uterus can expel quickly, leading to clotting. However, if you are experiencing large clots or a significant amount of blood, it is essential to consult a healthcare professional.

Here are some points to consider regarding your symptoms:
1. Heavy Menstrual Bleeding (Menorrhagia): If you are experiencing heavy bleeding during your period, it may be classified as menorrhagia. This condition can lead to anemia and may require treatment. Symptoms of menorrhagia include soaking through one or more sanitary pads or tampons every hour for several consecutive hours, passing large blood clots, or having periods that last longer than seven days.

2. Urinary Symptoms: If you are experiencing blood during urination, it is crucial to differentiate whether this is related to your menstrual cycle or if it is a separate issue. A UTI can cause symptoms such as burning during urination, frequent urination, and cloudy or foul-smelling urine. If you suspect a UTI, it is advisable to seek medical attention for diagnosis and treatment.

3. Gastrointestinal Symptoms: Blood in your stool can be alarming. If you notice bright red blood or dark, tarry stools, it is essential to consult a healthcare provider. These symptoms can indicate bleeding in the gastrointestinal tract and should not be ignored.

4. Consulting a Healthcare Provider: Given the complexity of your symptoms, it is advisable to consult a healthcare provider. They can perform a thorough evaluation, including a physical examination and possibly imaging studies or lab tests, to determine the cause of your symptoms.
5. Tracking Your Symptoms: Keeping a detailed record of your menstrual cycle, including the amount of bleeding, the presence of blood in urine or stool, and any associated symptoms (such as pain or discomfort), can be helpful for your healthcare provider in diagnosing your condition.

In conclusion, while it is not normal to experience blood during urination or bowel movements during your period, it is essential to approach this situation with care. Seek medical advice to ensure that any underlying conditions are properly addressed. Your health and well-being are paramount, and timely intervention can lead to better outcomes.

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