Menstrual Blood Clots: When to Seek Medical Advice - Obstetrics and Gynecology

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Menstrual blood clots


Hello Doctor, my menstruation usually takes about 8 days to completely stop.
There is no continuous bleeding in between (from days 6 to 8, the flow is very light, but it is not until day 8 that it is completely clean).
The first few days of my period are normal, but on the fourth day, I tend to have blood clots (sometimes there are none), and I experience pain before they pass, but the pain subsides afterward.
The size of the clots is approximately no wider than a five-dollar coin and about 2 to 3 centimeters in length.
Is this normal? Should I see a doctor?

Huang, 20~29 year old female. Ask Date: 2022/09/01

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, if your menstrual period is a bit prolonged, it is advisable to monitor the situation for now.
Wishing you good health.

Reply Date: 2022/09/01

More Info


Menstrual blood clots can be a common occurrence for many women, and understanding when these clots may indicate a need for medical attention is crucial for maintaining reproductive health. Based on your description, it seems that you experience a relatively normal menstrual cycle with some variations that may be concerning. Let’s break down your situation and provide some guidance.

Firstly, it is important to note that menstrual blood clots can vary in size and frequency. Small clots, particularly those that are less than 2.5 cm (about 1 inch) in diameter, are generally considered normal. The presence of clots can be attributed to several factors, including hormonal fluctuations, the thickness of the uterine lining, and the flow of menstrual blood. In your case, since you mentioned that the clots are around 2-3 cm in length and do not exceed the width of five coins, they may fall within the normal range, especially if they are not accompanied by severe pain or other concerning symptoms.

However, the pain you experience before the clots pass is noteworthy. Menstrual cramps, or dysmenorrhea, can be common, but if the pain is severe or debilitating, it may warrant further investigation. Additionally, the fact that your menstrual period lasts about eight days, with the last few days being very light, is also something to consider. While longer menstrual periods can be normal for some women, they can also indicate underlying issues such as hormonal imbalances or uterine abnormalities.

Here are some key points to consider regarding when to seek medical advice:
1. Severity of Pain: If the pain you experience is severe enough to interfere with your daily activities or requires medication beyond over-the-counter pain relievers, it is advisable to consult a healthcare provider.

2. Size and Frequency of Clots: If you notice a significant increase in the size or frequency of blood clots, or if they become larger than 2.5 cm consistently, this could be a sign of a more serious condition, such as fibroids or endometriosis.

3. Changes in Menstrual Cycle: Any sudden changes in your menstrual cycle, such as an increase in the duration of bleeding, changes in flow, or the onset of irregular cycles, should be discussed with a healthcare professional.

4. Associated Symptoms: If you experience additional symptoms such as heavy bleeding (soaking through a pad or tampon every hour), fatigue, dizziness, or shortness of breath, these could indicate anemia or other complications, and you should seek medical attention promptly.

5. Family History: If there is a family history of reproductive health issues, such as polycystic ovary syndrome (PCOS), fibroids, or endometriosis, it may be beneficial to discuss your symptoms with a healthcare provider, even if they seem mild.

In conclusion, while your symptoms may be within the normal range for many women, it is always better to err on the side of caution. If you have any concerns about the pain, the size of the clots, or any changes in your menstrual cycle, it is advisable to schedule an appointment with your healthcare provider. They can perform a thorough evaluation, which may include a physical examination, ultrasound, or blood tests, to rule out any underlying conditions and provide you with peace of mind. Remember, your health is paramount, and seeking advice is a proactive step in managing your menstrual health.

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