Changes in Menstrual Flow: Brown Discharge and Reduced Volume - Obstetrics and Gynecology

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The menstrual flow has decreased, and the first two days are brown in color?


Hello Doctor, I would like to ask you about my menstrual cycle.
Until three months ago, my periods were very regular, starting with bright red blood on the first day, followed by a heavier flow on the second day, and then gradually decreasing until the fifth day when it would turn brown.
By the sixth or seventh day, my period would end, and my cycle was consistently around 30 days.
However, three months ago, my period became shorter and the flow decreased.
Although it still arrives regularly each month, the first two days are now brown with very little flow, and it is not until the third day that I start to see bright red blood, which then gradually increases.
By the fifth day, it turns brown again with a light flow.
Overall, this change has been quite strange and has persisted for three months, with my cycle now being about 28 days.
I am concerned that there might be an issue with my body or that I might have a tumor or something similar.
I have researched online, and while some say that having brown blood on the first two days is normal, I have never experienced this before until three months ago, and compared to before, my menstrual flow has decreased.
I am worried that perhaps my last period did not fully clear out or that there might be another issue.
Therefore, I would like to ask for your advice, thank you!

danxin, 20~29 year old female. Ask Date: 2016/05/02

Dr. Lin Wenbin reply Obstetrics and Gynecology


Hello: Changes in menstrual patterns are related to many factors, such as age, stress, and so on.
The issues you described require a personal visit to the clinic for examination in order to identify the exact cause and provide you with appropriate assistance or treatment.
Thank you.

Reply Date: 2016/05/02

More Info


Changes in menstrual flow can be concerning, especially when there is a noticeable shift in the pattern you have been accustomed to. Based on your description, it seems that you have experienced a significant change in your menstrual cycle over the past three months, which has led to some anxiety about your health. Let's break down the aspects of your situation.

Firstly, it is important to understand that menstrual cycles can be influenced by a variety of factors, including hormonal changes, stress, weight fluctuations, lifestyle changes, and even underlying health conditions. The fact that your menstrual cycle has been consistent for a long time and then suddenly changed may warrant further investigation, but it does not necessarily indicate a serious problem.

1. Brown Discharge: The presence of brown discharge, especially at the beginning of your period, is often a result of older blood that takes longer to exit the uterus. This can happen when the flow is lighter, allowing the blood to oxidize and turn brown. While it is common for some women to experience brown discharge at the start of their period, the fact that this is a new development for you could indicate a change in your uterine lining or hormonal levels.

2. Reduced Volume: A decrease in menstrual flow can be attributed to several factors. Hormonal imbalances, such as changes in estrogen and progesterone levels, can lead to lighter periods. Additionally, conditions such as polycystic ovary syndrome (PCOS), thyroid disorders, or even stress can affect menstrual volume. If your periods have become consistently lighter over three months, it may be worth discussing with your healthcare provider.

3. Concerns about Health Issues: Your concern about potential underlying issues, such as tumors or retained products of conception, is understandable. While these conditions can cause changes in menstrual flow, they are not the only explanations. If you have not experienced any other symptoms, such as severe pain, unusual discharge, or significant changes in your overall health, it may be less likely that a serious issue is present. However, if you are feeling anxious, it is always best to consult with a healthcare professional who can perform the necessary evaluations.

4. When to Seek Help: It is advisable to seek medical attention if you experience any of the following:
- Severe pain or cramping that is not typical for you.

- Heavy bleeding that requires changing pads or tampons every hour for several hours.

- Any unusual discharge that has a foul odor.

- Symptoms of anemia, such as fatigue, weakness, or shortness of breath.

- If the changes in your menstrual cycle persist or worsen.

In conclusion, while changes in menstrual flow can be concerning, they are not always indicative of a serious health issue. Hormonal fluctuations, lifestyle changes, and other benign factors can contribute to these changes. However, given that this is a new pattern for you, it would be prudent to discuss your symptoms with a healthcare provider. They may recommend further evaluation, such as blood tests or an ultrasound, to rule out any underlying conditions and provide you with peace of mind. Remember, your health is important, and addressing your concerns with a professional is the best course of action.

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