Irregular Menstrual Cycles: Causes and Solutions - Obstetrics and Gynecology

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Menstrual issues


Hello Doctor, my last menstrual period started on July 14 and lasted more than 7 days.
On July 22, I visited a gynecologist who said I had insufficient progesterone and an excessively thick endometrium.
The bleeding I experienced was classified as an anovulatory menstrual period.
The doctor prescribed medication and mentioned that I would stop bleeding after finishing the medication.
However, a few days later, I still experienced light bleeding.
On July 27, I consulted another doctor who stated that I was experiencing poor uterine contractions and prescribed medication as well.
After taking the medication, I only noticed a faint brown discharge when wiping, and it wasn't until around August 1 that I stopped seeing any color.
However, today (August 4), I have experienced a significant amount of bright red fluid, and I'm uncertain if this is my period.
Could you please advise me on whether this situation indicates that my period has started or if it is something else?

Niming, 20~29 year old female. Ask Date: 2023/08/04

Dr. Lin Manying reply Obstetrics and Gynecology


Hello, Miss: Regarding your description, the abnormal bleeding is not menstruation.
If there are no organ-related diseases, it is likely a hormonal issue.
If the bleeding persists, please continue your treatment.
The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

Reply Date: 2023/08/04

More Info


Understanding irregular menstrual cycles can be quite complex, as they can be influenced by a variety of factors including hormonal imbalances, lifestyle changes, stress, and underlying medical conditions. Based on your description, it seems that you have been experiencing significant menstrual irregularities, which have led to consultations with multiple healthcare providers.

From what you've shared, your last menstrual period began on July 14 and lasted for more than seven days. You sought medical advice on July 22, where you were diagnosed with insufficient progesterone and thickened endometrial lining, which can indeed lead to irregular bleeding patterns. The fact that your doctor mentioned you were experiencing an anovulatory cycle (a cycle where ovulation does not occur) is significant, as this can lead to prolonged bleeding or spotting due to the lack of hormonal regulation that typically occurs after ovulation.

The subsequent visit on July 27, where another physician suggested that you might have poor uterine contractions, indicates that there could be a mechanical aspect to your menstrual irregularities as well. Poor uterine contractions can lead to ineffective shedding of the endometrial lining, which might explain the prolonged bleeding and the presence of brown discharge, which is often old blood that has taken longer to exit the body.

The medications prescribed by both doctors were likely aimed at regulating your menstrual cycle and addressing the hormonal imbalance. It's not uncommon for women to experience breakthrough bleeding or spotting even after starting hormonal treatments, as the body may take some time to adjust to the changes. The fact that you experienced a significant amount of red fluid on August 4 could indicate a return to a more typical menstrual flow, but it’s also possible that it could be a continuation of the irregular bleeding pattern.

Here are some potential causes for your irregular menstrual cycles:
1. Hormonal Imbalances: Conditions such as polycystic ovary syndrome (PCOS), thyroid disorders, or other endocrine issues can lead to irregular cycles.

2. Stress and Lifestyle Factors: High levels of stress, significant weight changes, excessive exercise, or changes in diet can all impact menstrual regularity.

3. Uterine Conditions: Conditions such as fibroids, polyps, or endometriosis can cause abnormal bleeding patterns.

4. Medications: Certain medications, including hormonal contraceptives, can affect menstrual cycles.

5. Age and Menopause: If you are approaching perimenopause, hormonal fluctuations can lead to irregular cycles.

Given your situation, it is essential to maintain open communication with your healthcare providers. If the bleeding continues or if you experience any other concerning symptoms (such as severe pain, dizziness, or significant changes in your cycle), it would be prudent to seek further evaluation. This may include blood tests to check hormone levels, imaging studies like an ultrasound to assess the uterus and ovaries, or even a biopsy if there are concerns about the endometrial lining.

In summary, while it can be challenging to pinpoint the exact cause of your irregular menstrual cycles without further investigation, it is clear that hormonal imbalances and uterine contractility issues are playing significant roles in your symptoms. Continue to monitor your symptoms, adhere to your treatment plan, and do not hesitate to seek further medical advice if your condition does not improve or worsens. Your health and well-being are paramount, and understanding the underlying causes of your menstrual irregularities is the first step toward effective management.

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