Irregular Periods: When to Seek Medical Advice - Obstetrics and Gynecology

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Irregular menstrual cycle?


My previous menstrual cycles were very regular; they would come on approximately the same day each month.
However, for the past few months, my period has started a week early: the first month on the 30th, the second month on the 18th, the third month on the 11th, and this month on the 3rd.
Is this irregular menstruation? Should I see a doctor? I have been informed by my physician that the anti-anxiety medication I am taking may affect my menstrual cycle.

Jessie, 20~29 year old female. Ask Date: 2015/11/03

Dr. Lü Lizheng reply Obstetrics and Gynecology


The irregularity in your menstrual cycle may be due to dysmenorrhea.
If the irregularity persists or if there is a significant discrepancy in dates, it is advisable to seek medical attention.
Certain medications can potentially affect menstrual cycles.
It is uncertain whether your medication may have an impact.
It is recommended to consult with a physician for further discussion.
Sincerely, Dr.
Lu Li-Cheng, Taoyuan Hospital.

Reply Date: 2015/11/03

More Info


Irregular periods can be concerning, especially if you have previously experienced regular menstrual cycles. Based on your description, it seems that your menstrual cycle has shifted significantly over the past few months, with periods occurring earlier than expected. This change could be attributed to various factors, including stress, hormonal imbalances, lifestyle changes, or medication side effects.

Firstly, it is essential to understand what constitutes a normal menstrual cycle. A typical cycle ranges from 21 to 35 days, with most women experiencing an average of 28 days. However, variations can occur, and cycles can sometimes be irregular due to various reasons. In your case, having periods that are consistently arriving earlier than usual may indicate a shift in your hormonal balance or other underlying issues.

The fact that you are taking anti-anxiety medication could indeed play a role in your menstrual irregularities. Certain medications can affect hormone levels, which in turn can influence the menstrual cycle. Stress and anxiety themselves can also lead to irregular periods, as they can impact the hypothalamus, the part of the brain that regulates hormones related to the menstrual cycle.

Given that your cycles have changed significantly over the past few months, it is advisable to consult with a healthcare provider. They can help determine the underlying cause of your irregular periods and whether any adjustments to your medication or additional treatments are necessary. It is particularly important to seek medical advice if you experience other symptoms, such as heavy bleeding, severe pain, or any unusual discharge, as these could indicate more serious conditions.

During your consultation, your doctor may perform a physical examination and possibly order blood tests to check hormone levels, thyroid function, and other relevant factors. They may also inquire about your medical history, lifestyle, and any additional symptoms you may be experiencing. This comprehensive approach will help them provide a more accurate diagnosis and appropriate treatment options.

In summary, while occasional irregularities in your menstrual cycle can be normal, the consistent pattern you are experiencing warrants a discussion with your healthcare provider. They can help you understand the potential impact of your medication on your menstrual cycle and explore other factors that may be contributing to these changes. Early intervention can help address any underlying issues and restore your menstrual cycle to a more regular pattern.

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