Short Menstrual Cycles: Causes and Solutions - Obstetrics and Gynecology

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Short menstrual duration?


Hello, doctor.
I used to have my period for 5 days, but it has changed to 3 days.
Sometimes after my period ends, I don't take Si Wu Tang.
Could this affect the duration of my menstrual cycle and cause it to become shorter? Now my period only lasts for 3 days.
Is having a 3-day period considered short or abnormal? How can I increase the duration of my menstrual cycle?

Xiao Mi, 20~29 year old female. Ask Date: 2023/07/31

Dr. Lin Manying reply Obstetrics and Gynecology


Hello, Xiaomi: A menstrual duration of 1-7 days is considered normal.
Please monitor for any ongoing decrease in duration and seek medical attention if necessary.
The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

Reply Date: 2023/07/31

More Info


Understanding short menstrual cycles can be quite complex, as they can be influenced by a variety of factors including hormonal changes, lifestyle, and underlying health conditions. A typical menstrual cycle lasts between 21 to 35 days, with menstruation itself usually lasting from 3 to 7 days. If your menstrual cycle has shortened from 5 days to 3 days, it is understandable to be concerned about this change.

Firstly, it is important to note that variations in menstrual cycle length and duration can occur due to several reasons. Hormonal imbalances, stress, significant weight changes, excessive exercise, and certain medical conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders can all affect your menstrual cycle. If you have recently experienced any lifestyle changes, such as increased physical activity or changes in diet, these could also contribute to the change in your menstrual cycle.

Regarding your question about the consumption of herbal remedies like Si Wu Tang (四物湯), it is a traditional Chinese medicine formula often used to nourish the blood and regulate menstruation. While it may have benefits for some women, it is not a guaranteed solution for all menstrual irregularities. If you have not been taking it and have noticed a change in your menstrual cycle, it is possible that this could be a contributing factor, but it is not the sole reason for a shortened menstrual duration.

A menstrual period lasting only 3 days can be considered short, but whether it is abnormal depends on your individual health and menstrual history. If this is a new development for you, it may be worth consulting with a healthcare provider to rule out any underlying issues. They may suggest a physical examination, blood tests to check hormone levels, or an ultrasound to assess your reproductive organs.

To potentially lengthen your menstrual duration, consider the following approaches:
1. Diet and Nutrition: Ensure you are consuming a balanced diet rich in vitamins and minerals. Foods high in iron, such as leafy greens, legumes, and lean meats, can help support healthy blood levels.

2. Stress Management: High levels of stress can impact your menstrual cycle. Techniques such as yoga, meditation, or deep-breathing exercises can help manage stress levels.

3. Regular Exercise: While excessive exercise can lead to shorter cycles, moderate physical activity can help regulate hormones and improve overall health.

4. Herbal Remedies: If you are interested in herbal treatments, consult with a qualified practitioner who can guide you on the appropriate use of remedies like Si Wu Tang or others that may help regulate your cycle.

5. Consult a Healthcare Provider: If your menstrual cycle continues to be irregular or if you experience other symptoms such as severe pain, heavy bleeding, or significant mood changes, it is essential to seek medical advice. A healthcare provider can offer tailored recommendations and treatments based on your specific situation.

In summary, while a 3-day menstrual period can be considered short, it is essential to evaluate it in the context of your overall health and any accompanying symptoms. Lifestyle changes, stress management, and possibly herbal remedies may help, but consulting with a healthcare professional is the best course of action to ensure your reproductive health is maintained.

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