Short Menstrual Cycles: When to See a Doctor - Obstetrics and Gynecology

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Menstrual cycle


I just started my period last year, but my cycle has been very short, only 17 days, which means I have it almost twice a month.
Although it has been like this from the beginning, I still feel like it might be a bit short.
Should I see a doctor about this? Thank you.

Xiao Lin, 10~19 year old female. Ask Date: 2016/08/03

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, it's normal to have just started your menstrual period at the age of 15.
Just keep an eye on it.
Wishing you good health!

Reply Date: 2016/08/03

More Info


Understanding short menstrual cycles is essential for maintaining reproductive health, especially for someone who has recently started menstruating. A menstrual cycle typically ranges from 21 to 35 days, with an average of about 28 days. However, cycles can vary significantly from person to person, especially during the first few years after menarche (the first menstrual period).
In your case, having a cycle that lasts only 17 days means that you are experiencing a shorter cycle than the average. While it is not uncommon for young individuals to have irregular cycles as their bodies adjust to hormonal changes, there are several factors to consider when determining whether to seek medical advice.

1. Frequency and Regularity: If your cycles are consistently short (17 days) and you are experiencing other symptoms such as heavy bleeding, severe cramps, or any unusual discharge, it is advisable to consult a healthcare provider. Regularity is key; if your cycle is consistently short, it may indicate an underlying hormonal imbalance or other health issues.

2. Associated Symptoms: Pay attention to any additional symptoms you may be experiencing. For instance, if you have significant mood swings, weight changes, excessive hair growth, or acne, these could be signs of conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders. These conditions can affect menstrual cycles and overall health.

3. Impact on Daily Life: If your menstrual cycle is affecting your daily activities or causing you distress, it is a good idea to seek medical advice. A healthcare provider can help you understand whether your cycle is within a normal range for your age or if further investigation is needed.

4. Family History: If there is a history of menstrual irregularities or reproductive health issues in your family, it may be beneficial to discuss this with a healthcare provider. Family history can sometimes provide insight into your own health.

5. Age Considerations: Since you mentioned that you just started menstruating last year, it is important to remember that it can take several years for cycles to become regular. However, if you are concerned or if the short cycles persist, it is always better to err on the side of caution and consult a doctor.

In conclusion, while it is not unusual for young individuals to experience shorter menstrual cycles, especially in the early stages of menstruation, it is important to monitor your cycle and any associated symptoms. If your cycles remain consistently short, or if you experience any concerning symptoms, it is advisable to see a healthcare provider. They can conduct a thorough evaluation, which may include a physical examination, blood tests to check hormone levels, and possibly imaging studies if needed. Early intervention can help address any potential issues and provide peace of mind regarding your reproductive health.

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