What is the cause of blood clots during menstruation?
In the past 10 days, the topic of women's health has continued to arouse heated discussions on social media and health forums. In particular, the phenomenon of "blood clots during menstruation" has become the focus of many women's attention. This article will combine recent popular discussions and medical knowledge on the Internet to provide you with a detailed analysis of the causes of blood clots during menstruation, whether it is normal and how to deal with it.
1. Common causes of menstrual blood clots

The occurrence of menstrual blood clots is usually related to the following factors. The order of recent discussions among netizens is as follows:
| Reason | Proportion (discussion popularity) | Do you need medical treatment? |
|---|---|---|
| Endometrial shedding is normal | 45% | Usually no need |
| Sitting for long periods of time causes menstrual blood stasis | 25% | It is recommended to adjust your living habits |
| Uterine fibroids or polyps | 15% | Need to check |
| Endocrine disorders | 10% | It is recommended to consult a doctor |
| Other gynecological diseases | 5% | Professional diagnosis required |
2. How to judge whether a blood clot is normal?
According to the recent popular science content of medical experts, a preliminary judgment can be made through the following standards:
| normal situation | abnormal signal |
|---|---|
| Blood clot diameter <2.5cm | Blood clots last for >3 days and are large in amount |
| Color dark red or dark brown | With severe abdominal pain or dizziness |
| Occasionally (1-2 days) | accompanied by irregular bleeding |
| No other discomfort symptoms | Blood clots are bright red in color and have a peculiar smell |
3. The five issues that netizens are most concerned about recently
According to statistics from a health platform, popular questions about menstrual blood clots in the past 10 days include:
1."Is the excessive blood clots a symptom of palace cold?"- Traditional Chinese medicine experts said that blood clots are not necessarily related to uterine cold, and must be judged in conjunction with other symptoms.
2.“Will eating cold drinks cause an increase in blood clots?”- Recent studies have shown that changes in body temperature may affect menstrual blood flow, but there is no clear evidence of a direct link.
3.“Will the COVID-19 vaccine affect menstruation and cause blood clots?”- Some women reported menstrual changes after vaccination, but authoritative organizations said more research data is still needed.
4.“Is it normal for blood clots to increase during exercise?”- Doctors explain that moderate exercise helps discharge menstrual blood, but strenuous exercise may cause a temporary increase in blood clots.
5."When is it necessary to see a doctor?"- If accompanied by anemia symptoms (such as fatigue, palpitations) or blood clots continue to increase, it is recommended to seek medical treatment in time.
4. Practical suggestions for improving menstrual blood clots
Combining recent sharings and medical advice from popular health bloggers, the following methods have been compiled:
| method | Effect description | Recommendation index |
|---|---|---|
| moderate activity | Promote blood circulation and reduce stasis | ★★★★★ |
| Belly warmth | Relieve uterine contraction discomfort | ★★★★☆ |
| Supplement iron | Prevent anemia caused by heavy menstruation | ★★★☆☆ |
| Adjust diet | Reduce intake of raw and cold irritating foods | ★★★☆☆ |
| Regular gynecological examination | Rule out organic disease | ★★★★★ |
5. The latest opinions of professional doctors
The director of gynecology at a tertiary hospital emphasized in a recent live broadcast:"Occasional menstrual blood clots are a normal physiological phenomenon, but if they are accompanied by prolonged menstruation (>7 days), a sudden increase in menstrual flow (soaking a sanitary napkin every hour), or severe pain, you need to see a doctor in time to check for adenomyosis, endometrial polyps and other lesions."
In addition, the latest "2023 Women's Health White Paper" shows that 68% of women aged 25-35 have experienced menstrual blood clots, of which only 12% require medical intervention. This shows that in most cases there is no need to worry too much, but you must also learn to observe your own changes.
In summary, blood clots during menstruation may be a normal physiological phenomenon, or they may indicate certain health problems. The key is to make a comprehensive judgment based on the frequency of occurrence, accompanying symptoms and personal health status. Maintaining good living habits, regular gynecological examinations, and seeking medical attention promptly when encountering abnormalities are the best ways to maintain menstrual health.
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